{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2023-6549", "assignerOrgId": "e437aed5-38e0-4fa3-a98b-cb73e7acaec6", "state": "PUBLISHED", "assignerShortName": "Citrix", "dateReserved": "2023-12-06T11:01:58.256Z", "datePublished": "2024-01-17T20:15:53.345Z", "dateUpdated": "2025-10-21T23:05:27.936Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "NetScaler ADC", "vendor": "Cloud Software Group", "versions": [ { "lessThan": "12.35", "status": "affected", "version": "14.1", "versionType": "patch" }, { "lessThan": "51.15", "status": "affected", "version": "13.1", "versionType": "patch" }, { "lessThan": "92.21", "status": "affected", "version": "13.0", "versionType": "patch" }, { "lessThan": "37.176", "status": "affected", "version": "13.1-FIPS", "versionType": "patch" }, { "lessThan": "55.302", "status": "affected", "version": "12.1-FIPS", "versionType": "patch" }, { "lessThan": "55.302", "status": "affected", "version": "12.1-NDcPP", "versionType": "patch" } ] } ], "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Improper Restriction of Operations within the Bounds of a Memory Buffer in NetScaler ADC and NetScaler Gateway allows Unauthenticated Denial of Service and Out-Of-Bounds Memory Read
" } ], "value": "Improper Restriction of Operations within the Bounds of a Memory Buffer in NetScaler ADC and NetScaler Gateway allows Unauthenticated Denial of Service and Out-Of-Bounds Memory Read" } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-119", "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "e437aed5-38e0-4fa3-a98b-cb73e7acaec6", "shortName": "Citrix", "dateUpdated": "2024-05-10T17:29:28.138Z" }, "references": [ { "url": "https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549" } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 0.1.0-dev" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T08:35:13.934Z" }, "title": "CVE Program Container", "references": [ { "url": "https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2023-6549", "role": "CISA Coordinator", "options": [ { "Exploitation": "active" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-01-31T05:00:20.477654Z" } } }, { "other": { "type": "kev", "content": { "dateAdded": "2024-01-17", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-6549" } } } ], "references": [ { "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-6549", "tags": [ "government-resource" ] } ], "timeline": [ { "time": "2024-01-17T00:00:00.000Z", "lang": "en", "value": "CVE-2023-6549 added to CISA KEV" } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-21T23:05:27.936Z" } } ] } }