{"id":"CVE-2025-27935","state":"PUBLISHED","title":"Authentication Bypass in OTP (One-time Passcode) IdP Adapter Integration Kit","description":"The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication.","publishedAt":"2025-12-04T20:38:31.922Z","updatedAt":"2025-12-05T17:33:20.910Z","severity":{"score":8.6,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","source":"Ping Identity"},"assigner":"Ping Identity","products":["Ping Identity One-Time Passcode Integration Kit for PingFederate"],"affected":[{"vendor":"Ping Identity","product":"One-Time Passcode Integration Kit for PingFederate","defaultStatus":"affected","versions":[{"version":"1.0","status":"affected","lessThanOrEqual":"1.1","versionType":"custom"},{"version":"1.1.1","status":"unaffected"}]}],"references":["https://support.pingidentity.com/s/article/SECADV051-PingFederate-OTP-Integration-Kit-authentication-bypass","https://www.pingidentity.com/en/resources/downloads/pingfederate.html"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T20:08:47.682Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/27xxx/CVE-2025-27935.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-27935","state":"PUBLISHED","datePublished":"2025-12-04T20:38:31.922Z","dateUpdated":"2025-12-05T17:33:20.910Z","assignerShortName":"Ping Identity","assignerOrgId":"5998a2e9-ae88-42cd-b6e0-7564fd979f9e","dateReserved":"2025-04-16T01:21:55.178Z"},"containers":{"cna":{"title":"Authentication Bypass in OTP (One-time Passcode) IdP Adapter Integration Kit","descriptions":[{"lang":"en","value":"The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication."}],"affected":[{"vendor":"Ping Identity","product":"One-Time Passcode Integration Kit for PingFederate","defaultStatus":"affected","versions":[{"version":"1.0","status":"affected","lessThanOrEqual":"1.1","versionType":"custom"},{"version":"1.1.1","status":"unaffected"}]}],"references":[{"url":"https://support.pingidentity.com/s/article/SECADV051-PingFederate-OTP-Integration-Kit-authentication-bypass"},{"url":"https://www.pingidentity.com/en/resources/downloads/pingfederate.html"}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.6,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","description":"CWE-306 Missing Authentication for Critical Function","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Ping Identity","orgId":"5998a2e9-ae88-42cd-b6e0-7564fd979f9e","dateUpdated":"2025-12-04T20:38:31.922Z"},"impacts":[{"capecId":"CAPEC-115","descriptions":[{"lang":"en","value":"CAPEC-115 Authentication Bypass"}]}],"source":{"advisory":"SECADV051","defect":["IK-3752"],"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-12-05T17:30:21.689498Z","id":"CVE-2025-27935","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-12-05T17:33:20.910Z"}}]}}}