{"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":"2025-10-21T23:05:35.045Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"NetScaler ADC","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  virtual server.&nbsp;</span><span style=\"background-color: transparent;\"><br></span><span style=\"background-color: var(--wht);\"><br></span></p></b>"}],"value":"Sensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA  virtual server."}],"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":"2023-10-25T15:06:16.721Z"},"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"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-4966","role":"CISA Coordinator","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2023-11-22T05:00:08.466868Z"}}},{"other":{"type":"kev","content":{"dateAdded":"2023-10-18","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4966"}}}],"references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4966","tags":["government-resource"]}],"timeline":[{"time":"2023-10-18T00:00:00.000Z","lang":"en","value":"CVE-2023-4966 added to CISA KEV"}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-21T23:05:35.045Z"}}]}}