{"id":"CVE-2023-4612","state":"PUBLISHED","title":"MFA bypass in Apereo CAS","description":"Improper Authentication vulnerability in Apereo CAS in jakarta.servlet.http.HttpServletRequest.getRemoteAddr method allows Multi-Factor Authentication bypass.This issue affects CAS: through 7.0.0-RC7. It is unknown whether in new versions the issue will be fixed. For the date of publication there is no patch, and the vendor does not treat it as a vulnerability.","publishedAt":"2023-11-09T13:41:38.189Z","updatedAt":"2025-02-26T21:25:31.425Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"CERT-PL","products":["Apereo Foundation CAS"],"affected":[{"vendor":"Apereo Foundation","product":"CAS","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"7.0.0-RC7","versionType":"custom"}],"collectionURL":"https://www.apereo.org/projects/cas"}],"references":["https://cert.pl/posts/2023/11/CVE-2023-4612/","https://cert.pl/en/posts/2023/11/CVE-2023-4612/"],"weaknesses":["CWE-302"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/4xxx/CVE-2023-4612.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-4612","state":"PUBLISHED","datePublished":"2023-11-09T13:41:38.189Z","dateUpdated":"2025-02-26T21:25:31.425Z","assignerShortName":"CERT-PL","assignerOrgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","dateReserved":"2023-08-30T06:31:53.251Z"},"containers":{"cna":{"title":"MFA bypass in Apereo CAS","descriptions":[{"lang":"en","value":"Improper Authentication vulnerability in Apereo CAS in jakarta.servlet.http.HttpServletRequest.getRemoteAddr method allows Multi-Factor Authentication bypass.This issue affects CAS: through 7.0.0-RC7. It is unknown whether in new versions the issue will be fixed. For the date of publication there is no patch, and the vendor does not treat it as a vulnerability."}],"affected":[{"vendor":"Apereo Foundation","product":"CAS","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"7.0.0-RC7","versionType":"custom"}],"collectionURL":"https://www.apereo.org/projects/cas"}],"references":[{"url":"https://cert.pl/posts/2023/11/CVE-2023-4612/","tags":["third-party-advisory"]},{"url":"https://cert.pl/en/posts/2023/11/CVE-2023-4612/","tags":["third-party-advisory"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-302","description":"CWE-302 Authentication Bypass by Assumed-Immutable Data","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"CERT-PL","orgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","dateUpdated":"2024-10-10T15:35:59.524Z"},"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Maksym Brzęczek (efigo.pl)"}],"datePublic":"2023-11-09T14:00:00.000Z","impacts":[{"capecId":"CAPEC-115","descriptions":[{"lang":"en","value":"CAPEC-115 Authentication Bypass"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://cert.pl/posts/2023/11/CVE-2023-4612/","tags":["third-party-advisory","x_transferred"]},{"url":"https://cert.pl/en/posts/2023/11/CVE-2023-4612/","tags":["third-party-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T07:31:06.563Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2023-11-17T19:57:40.527274Z","id":"CVE-2023-4612","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-26T21:25:31.425Z"}}]}}}