{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-20353",
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "state": "PUBLISHED",
        "assignerShortName": "cisco",
        "dateReserved": "2023-11-08T15:08:07.647Z",
        "datePublished": "2024-04-24T18:15:57.646Z",
        "dateUpdated": "2025-10-21T23:05:20.706Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
                "shortName": "cisco",
                "dateUpdated": "2024-04-24T18:15:57.646Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability in the management and VPN web servers for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.\r\n\r This vulnerability is due to incomplete error checking when parsing an HTTP header. An attacker could exploit this vulnerability by sending a crafted HTTP request to a targeted web server on a device. A successful exploit could allow the attacker to cause a DoS condition when the device reloads."
                }
            ],
            "affected": [
                {
                    "vendor": "Cisco",
                    "product": "Cisco Adaptive Security Appliance (ASA) Software",
                    "versions": [
                        {
                            "version": "9.8.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.1.5",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.1.7",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.2",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.2.8",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.2.14",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.2.15",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.2.17",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.2.20",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.2.24",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.2.26",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.2.28",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.2.33",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.2.35",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.2.38",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.3.8",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.3.11",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.3.14",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.3.16",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.3.18",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.3.21",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.3.26",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.3.29",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.7",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.8",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.10",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.12",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.15",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.17",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.25",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.20",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.22",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.26",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.29",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.32",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.33",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.34",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.35",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.39",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.40",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.41",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.43",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.44",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.45",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.46",
                            "status": "affected"
                        },
                        {
                            "version": "9.8.4.48",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.1.2",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.1.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.2",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.2.4",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.2.5",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.2.9",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.3.2",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.3.7",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.3.12",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.3.9",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.2",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.4",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.7",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.10",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.13",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.8",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.18",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.24",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.26",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.29",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.30",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.35",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.37",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.38",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.39",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.40",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.41",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.47",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.48",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.50",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.52",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.54",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.55",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.56",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.58",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.62",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.65",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.1.10",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.1.6",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.1.15",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.1.19",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.1.30",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.2",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.2.4",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.2.8",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.2.13",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.2.15",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.3.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.3.9",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.3.11",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.3.13",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.3.18",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.3.15",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.6",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.7",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.12",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.13",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.14",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.15",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.17",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.22",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.23",
                            "status": "affected"
                        },
                        {
                            "version": "9.15.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.15.1.7",
                            "status": "affected"
                        },
                        {
                            "version": "9.15.1.10",
                            "status": "affected"
                        },
                        {
                            "version": "9.15.1.15",
                            "status": "affected"
                        },
                        {
                            "version": "9.15.1.16",
                            "status": "affected"
                        },
                        {
                            "version": "9.15.1.17",
                            "status": "affected"
                        },
                        {
                            "version": "9.15.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.15.1.21",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.1.28",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.2",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.2.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.2.7",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.2.11",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.2.13",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.2.14",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.3.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.3.14",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.3.15",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.3.19",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.3.23",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.9",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.14",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.18",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.19",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.27",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.38",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.39",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.42",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.48",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.55",
                            "status": "affected"
                        },
                        {
                            "version": "9.17.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.17.1.7",
                            "status": "affected"
                        },
                        {
                            "version": "9.17.1.9",
                            "status": "affected"
                        },
                        {
                            "version": "9.17.1.10",
                            "status": "affected"
                        },
                        {
                            "version": "9.17.1.11",
                            "status": "affected"
                        },
                        {
                            "version": "9.17.1.13",
                            "status": "affected"
                        },
                        {
                            "version": "9.17.1.15",
                            "status": "affected"
                        },
                        {
                            "version": "9.17.1.20",
                            "status": "affected"
                        },
                        {
                            "version": "9.17.1.30",
                            "status": "affected"
                        },
                        {
                            "version": "9.17.1.33",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.1.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.2",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.2.5",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.2.7",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.2.8",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.3.39",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.3.46",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.3.53",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.3.55",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.3.56",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.5",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.8",
                            "status": "affected"
                        },
                        {
                            "version": "9.19.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.19.1.5",
                            "status": "affected"
                        },
                        {
                            "version": "9.19.1.9",
                            "status": "affected"
                        },
                        {
                            "version": "9.19.1.12",
                            "status": "affected"
                        },
                        {
                            "version": "9.19.1.18",
                            "status": "affected"
                        },
                        {
                            "version": "9.19.1.22",
                            "status": "affected"
                        },
                        {
                            "version": "9.19.1.24",
                            "status": "affected"
                        },
                        {
                            "version": "9.19.1.27",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.1.5",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.2",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "Cisco",
                    "product": "Cisco Firepower Threat Defense Software",
                    "versions": [
                        {
                            "version": "6.2.3",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.1",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.2",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.3",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.4",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.5",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.6",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.7",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.8",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.10",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.11",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.9",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.12",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.13",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.14",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.15",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.16",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.17",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.3.18",
                            "status": "affected"
                        },
                        {
                            "version": "6.6.0",
                            "status": "affected"
                        },
                        {
                            "version": "6.6.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "6.6.1",
                            "status": "affected"
                        },
                        {
                            "version": "6.6.3",
                            "status": "affected"
                        },
                        {
                            "version": "6.6.4",
                            "status": "affected"
                        },
                        {
                            "version": "6.6.5",
                            "status": "affected"
                        },
                        {
                            "version": "6.6.5.1",
                            "status": "affected"
                        },
                        {
                            "version": "6.6.5.2",
                            "status": "affected"
                        },
                        {
                            "version": "6.6.7",
                            "status": "affected"
                        },
                        {
                            "version": "6.6.7.1",
                            "status": "affected"
                        },
                        {
                            "version": "6.4.0",
                            "status": "affected"
                        },
                        {
                            "version": "6.4.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "6.4.0.3",
                            "status": "affected"
                        },
                        {
                            "version": "6.4.0.2",
                            "status": "affected"
                        },
                        {
                            "version": "6.4.0.4",
                            "status": "affected"
                        },
                        {
                            "version": "6.4.0.5",
                            "status": "affected"
                        },
                        {
                            "version": "6.4.0.6",
                            "status": "affected"
                        },
                        {
                            "version": "6.4.0.7",
                            "status": "affected"
                        },
                        {
                            "version": "6.4.0.8",
                            "status": "affected"
                        },
                        {
                            "version": "6.4.0.9",
                            "status": "affected"
                        },
                        {
                            "version": "6.4.0.10",
                            "status": "affected"
                        },
                        {
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                            "lang": "en",
                            "description": "Loop with Unreachable Exit Condition ('Infinite Loop')",
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                {
                    "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-websrvs-dos-X8gNucD2",
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                        "baseScore": 8.6,
                        "baseSeverity": "HIGH",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "CHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH"
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                }
            ],
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                {
                    "lang": "en",
                    "value": "Cisco has confirmed that this vulnerability has been exploited. Cisco strongly recommends that customers upgrade to fixed software to resolve this vulnerability. Customers are also strongly encouraged to monitor system logs for indicators of undocumented configuration changes, unscheduled reboots, and any anomalous credential activity."
                }
            ],
            "source": {
                "advisory": "cisco-sa-asaftd-websrvs-dos-X8gNucD2",
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                "defects": [
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        },
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            {
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                                "id": "CVE-2024-20353",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "active"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-04-29T20:02:41.285934Z"
                            }
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                    {
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                            "type": "kev",
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                                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-20353"
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                        }
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                        "lang": "en",
                        "value": "CVE-2024-20353 added to CISA KEV"
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                ],
                "title": "CISA ADP Vulnrichment",
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                    "shortName": "CISA-ADP",
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                    "shortName": "CVE",
                    "dateUpdated": "2024-08-01T21:59:41.487Z"
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                    {
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                        "tags": [
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        ]
    }
}