{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-20333", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2024-10-10T19:15:13.255Z", "datePublished": "2025-09-25T16:12:14.308Z", "dateUpdated": "2026-02-26T17:47:58.577Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2025-11-05T21:03:29.299Z" }, "descriptions": [ { "lang": "en", "value": "A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker to execute arbitrary code on an affected device.\r\n\r This vulnerability is due to improper validation of user-supplied input in HTTP(S) requests. An attacker with valid VPN user credentials could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute arbitrary code as root, possibly resulting in the complete compromise of the affected device." } ], "affected": [ { "vendor": "Cisco", "product": "Cisco Secure Firewall 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": "9.8.2.45", "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": "9.12.4.67", "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": "9.14.4.24", "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": "9.16.4.57", "status": "affected" }, { "version": "9.16.4.61", "status": "affected" }, { "version": "9.16.4.62", "status": "affected" }, { "version": "9.16.4.67", "status": "affected" }, { "version": "9.16.4.70", "status": "affected" }, { "version": "9.16.4.71", "status": "affected" }, { "version": "9.16.4.76", "status": "affected" }, { "version": "9.16.4.82", "status": "affected" }, { "version": "9.16.4.84", "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": "9.17.1.39", "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": "9.18.4.22", "status": "affected" }, { "version": "9.18.4.24", "status": "affected" }, { "version": "9.18.4.29", "status": "affected" }, { "version": "9.18.4.34", "status": "affected" }, { "version": "9.18.4.40", "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": "9.19.1.28", "status": "affected" }, { "version": "9.19.1.31", "status": "affected" }, { "version": "9.20.1", "status": "affected" }, { "version": "9.20.1.5", "status": "affected" }, { "version": "9.20.2", "status": "affected" }, { "version": "9.20.2.10", "status": "affected" }, { "version": "9.20.2.21", "status": "affected" }, { "version": "9.20.2.22", "status": "affected" }, { "version": "9.20.3", "status": "affected" }, { "version": "9.20.3.4", "status": "affected" }, { "version": "9.22.1.1", "status": "affected" }, { "version": "9.22.1.2", "status": "affected" } ] }, { "vendor": "Cisco", "product": "Cisco Secure Firewall Threat Defense (FTD) 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": "6.6.7.2", "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" }, { "version": "6.4.0.11", "status": "affected" }, { "version": "6.4.0.12", "status": "affected" }, { "version": "6.4.0.13", "status": "affected" }, { "version": "6.4.0.14", "status": "affected" }, { "version": "6.4.0.15", "status": "affected" }, { "version": "6.4.0.16", "status": "affected" }, { "version": "6.4.0.17", "status": "affected" }, { "version": "6.4.0.18", "status": "affected" }, { "version": "7.0.0", "status": "affected" }, { "version": "7.0.0.1", "status": "affected" }, { "version": "7.0.1", "status": "affected" }, { "version": "7.0.1.1", "status": "affected" }, { "version": "7.0.2", "status": "affected" }, { "version": "7.0.2.1", "status": "affected" }, { "version": "7.0.3", "status": "affected" }, { "version": "7.0.4", "status": "affected" }, { "version": "7.0.5", "status": "affected" }, { "version": "7.0.6", "status": "affected" }, { "version": "7.0.6.1", "status": "affected" }, { "version": "7.0.6.2", "status": "affected" }, { "version": "7.0.6.3", "status": "affected" }, { "version": "7.0.7", "status": "affected" }, { "version": "7.0.8", "status": "affected" }, { "version": "7.1.0", "status": "affected" }, { "version": "7.1.0.1", "status": "affected" }, { "version": "7.1.0.2", "status": "affected" }, { "version": "7.1.0.3", "status": "affected" }, { "version": "7.2.0", "status": "affected" }, { "version": "7.2.0.1", "status": "affected" }, { "version": "7.2.1", "status": "affected" }, { "version": "7.2.2", "status": "affected" }, { "version": "7.2.3", "status": "affected" }, { "version": "7.2.4", "status": "affected" }, { "version": "7.2.4.1", "status": "affected" }, { "version": "7.2.5", "status": "affected" }, { "version": "7.2.5.1", "status": "affected" }, { "version": "7.2.6", "status": "affected" }, { "version": "7.2.7", "status": "affected" }, { "version": "7.2.5.2", "status": "affected" }, { "version": "7.2.8", "status": "affected" }, { "version": "7.2.8.1", "status": "affected" }, { "version": "7.3.0", "status": "affected" }, { "version": "7.3.1", "status": "affected" }, { "version": "7.3.1.1", "status": "affected" }, { "version": "7.3.1.2", "status": "affected" }, { "version": "7.4.0", "status": "affected" }, { "version": "7.4.1", "status": "affected" }, { "version": "7.4.1.1", "status": "affected" }, { "version": "7.4.2", "status": "affected" }, { "version": "7.4.2.1", "status": "affected" }, { "version": "7.4.2.2", "status": "affected" }, { "version": "7.4.2.3", "status": "affected" }, { "version": "7.6.0", "status": "affected" } ] } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')", "type": "cwe", "cweId": "CWE-120" } ] } ], "references": [ { "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-webvpn-z5xP8EUB", "name": "cisco-sa-asaftd-webvpn-z5xP8EUB" } ], "metrics": [ { "format": "cvssV3_1", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.9, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" } } ], "exploits": [ { "lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is aware of attempted exploitation of this vulnerability. Cisco continues to strongly recommend that customers upgrade to a fixed software release to remediate this vulnerability." } ], "source": { "advisory": "cisco-sa-asaftd-webvpn-z5xP8EUB", "discovery": "EXTERNAL", "defects": [ "CSCwq79831" ] } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2025-20333", "role": "CISA Coordinator", "options": [ { "Exploitation": "active" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2025-09-26T03:55:14.003793Z" } } }, { "other": { "type": "kev", "content": { "dateAdded": "2025-09-25", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-20333" } } } ], "references": [ { "url": "https://sec.cloudapps.cisco.com/security/center/resources/asa_ftd_continued_attacks", "tags": [ "vendor-advisory" ] }, { "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-20333", "tags": [ "government-resource" ] } ], "timeline": [ { "time": "2025-09-25T00:00:00.000Z", "lang": "en", "value": "CVE-2025-20333 added to CISA KEV" } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-26T17:47:58.577Z" } } ] } }