{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-4966", "assignerOrgId": "e437aed5-38e0-4fa3-a98b-cb73e7acaec6", "state": "PUBLISHED", "assignerShortName": "Citrix", "dateReserved": "2023-09-14T15:51:21.569Z", "datePublished": "2023-10-10T13:12:17.644Z", "dateUpdated": "2024-08-02T07:44:53.522Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "NetScaler ADC\u202f", "vendor": "Citrix", "versions": [{"lessThan": "8.50", "status": "affected", "version": "14.1", "versionType": "patch"}, {"lessThan": "49.15", "status": "affected", "version": "13.1", "versionType": "patch"}, {"lessThan": "92.19", "status": "affected", "version": "13.0", "versionType": "patch"}, {"lessThan": "37.164", "status": "affected", "version": "13.1-FIPS", "versionType": "patch"}, {"lessThan": "55.300", "status": "affected", "version": "12.1-FIPS", "versionType": "patch"}, {"lessThan": "55.300", "status": "affected", "version": "12.1-NDcPP", "versionType": "patch"}]}, {"defaultStatus": "unaffected", "product": "NetScaler Gateway", "vendor": "Citrix", "versions": [{"lessThan": "8.50", "status": "affected", "version": "14.1", "versionType": "patch"}, {"lessThan": "49.15", "status": "affected", "version": "13.1", "versionType": "patch"}, {"lessThan": "92.19", "status": "affected", "version": "13.0", "versionType": "patch"}]}], "datePublic": "2023-10-10T12:33:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<b><p><b><span style=\"background-color: transparent;\">Sensitive information disclosure&nbsp;</span></b><span style=\"background-color: var(--wht);\">in NetScaler ADC and NetScaler Gateway when configured as a&nbsp;</span><span style=\"background-color: transparent;\">Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy)&nbsp;</span><span style=\"background-color: transparent;\">or&nbsp;</span><span style=\"background-color: transparent;\">AAA \u202fvirtual\u202fserver.&nbsp;</span><span style=\"background-color: transparent;\"><br></span><span style=\"background-color: var(--wht);\"><br></span></p></b>"}], "value": "Sensitive information disclosure\u00a0in NetScaler ADC and NetScaler Gateway when configured as a\u00a0Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy)\u00a0or\u00a0AAA \u202fvirtual\u202fserver.\u00a0\n\n\n\n"}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.4, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L", "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": "2023-10-10T13:12:29.552Z"}, "references": [{"url": "https://support.citrix.com/article/CTX579459"}, {"url": "http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html"}], "source": {"discovery": "UNKNOWN"}, "title": "Unauthenticated sensitive information disclosure", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T07:44:53.522Z"}, "title": "CVE Program Container", "references": [{"url": "https://support.citrix.com/article/CTX579459", "tags": ["x_transferred"]}, {"url": "http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html", "tags": ["x_transferred"]}]}]}}

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{"cisaActionDue": "2023-11-08", "cisaExploitAdd": "2023-10-18", "cisaRequiredAction": "Apply mitigations and kill all active and persistent sessions per vendor instructions [https://www.netscaler.com/blog/news/cve-2023-4966-critical-security-update-now-available-for-netscaler-adc-and-netscaler-gateway/] OR discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": "Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*", "matchCriteriaId": "492BEB4B-7A4B-47C2-93D1-2B0683AA3A20", "versionEndExcluding": "12.1-55.300", "versionStartIncluding": "12.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*", "matchCriteriaId": "81EF12C2-4197-4C0D-BE11-556F05DAD646", "versionEndExcluding": "12.1-55.300", "versionStartIncluding": "12.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*", "matchCriteriaId": "9EEC53B2-686A-4C6F-98DE-5D6AE804B0A8", "versionEndExcluding": "13.0-92.19", "versionStartIncluding": "13.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*", "matchCriteriaId": "109301A8-9ADD-4A49-9C45-D21A4DA840E9", "versionEndExcluding": "13.1-37.164", "versionStartIncluding": "13.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*", "matchCriteriaId": "5C1739C5-48C1-46BC-A524-B4CC4C5B6436", "versionEndExcluding": "13.1-49.15", "versionStartIncluding": "13.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*", "matchCriteriaId": "9148C36D-98B4-4166-8B9A-449EA86BA4B1", "versionEndExcluding": "14.1-8.50", "versionStartIncluding": "14.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*", "matchCriteriaId": "5FB1412D-F8D8-4592-A8A9-C1B841B93D5E", "versionEndExcluding": "13.0-92.19", "versionStartIncluding": "13.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*", "matchCriteriaId": "28A08B32-D145-499F-866E-BEEEDEBB2901", "versionEndExcluding": "13.1-49.15", "versionStartIncluding": "13.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*", "matchCriteriaId": "4F1610E6-FE48-4339-8E74-765E0517E33D", "versionEndExcluding": "14.1-8.50", "versionStartIncluding": "14.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Sensitive information disclosure\u00a0in NetScaler ADC and NetScaler Gateway when configured as a\u00a0Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy)\u00a0or\u00a0AAA \u202fvirtual\u202fserver.\u00a0\n\n\n\n"}, {"lang": "es", "value": "Divulgaci\u00f3n de informaci\u00f3n confidencial en NetScaler ADC y NetScaler Gateway cuando se configura como Gateway (servidor virtual VPN, ICA Proxy, CVPN, RDP Proxy) o servidor \"virtual\" AAA."}], "id": "CVE-2023-4966", "lastModified": "2024-11-21T08:36:21.617", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.4, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.5, "source": "secure@citrix.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-10-10T14:15:10.977", "references": [{"source": "secure@citrix.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html"}, {"source": "secure@citrix.com", "tags": ["Vendor Advisory"], "url": "https://support.citrix.com/article/CTX579459"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.citrix.com/article/CTX579459"}], "sourceIdentifier": "secure@citrix.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "secure@citrix.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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