{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2025-27370", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-04-25T14:43:40.581Z", "dateReserved": "2025-02-23T00:00:00.000Z", "datePublished": "2025-03-03T00:00:00.000Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "product": "OpenID Connect", "vendor": "OpenID", "versions": [{"lessThanOrEqual": "1.0 errata set 2", "status": "affected", "version": "0", "versionType": "custom"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openid:openid_connect:*:*:*:*:*:*:*:*", "versionEndIncluding": "1.0 errata set 2"}]}]}], "descriptions": [{"lang": "en", "value": "OpenID Connect Core through 1.0 errata set 2 allows audience injection in certain situations. When the private_key_jwt authentication mechanism is used, a malicious Authorization Server could trick a Client into writing attacker-controlled values into the audience, including token endpoints or issuer identifiers of other Authorization Servers. The malicious Authorization Server could then use these private key JWTs to impersonate the Client."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-305", "description": "CWE-305 Authentication Bypass by Primary Weakness", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2025-04-25T14:43:40.581Z"}, "references": [{"url": "https://openid.net/wp-content/uploads/2025/01/OIDF-Responsible-Disclosure-Notice-on-Security-Vulnerability-for-private_key_jwt.pdf"}, {"url": "https://openid.net/notice-of-a-security-vulnerability/"}, {"url": "https://talks.secworkshop.events/osw2025/talk/R8D9BS/"}, {"url": "https://github.com/OWASP/ASVS/issues/2678"}, {"url": "https://eprint.iacr.org/2025/629"}], "x_generator": {"engine": "enrichogram 0.0.1"}, "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:N"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-03-04T16:59:06.842747Z", "id": "CVE-2025-27370", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-04T16:59:34.625Z"}}]}, "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-27370", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-03-04T16:59:06.842747Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-04T16:59:31.051Z"}}], "cna": {"metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:N"}}], "affected": [{"vendor": "OpenID", "product": "OpenID Connect", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "1.0 errata set 2"}], "defaultStatus": "unknown"}], "references": [{"url": "https://openid.net/wp-content/uploads/2025/01/OIDF-Responsible-Disclosure-Notice-on-Security-Vulnerability-for-private_key_jwt.pdf"}, {"url": "https://openid.net/notice-of-a-security-vulnerability/"}, {"url": "https://talks.secworkshop.events/osw2025/talk/R8D9BS/"}, {"url": "https://github.com/OWASP/ASVS/issues/2678"}, {"url": "https://eprint.iacr.org/2025/629"}], "x_generator": {"engine": "enrichogram 0.0.1"}, "descriptions": [{"lang": "en", "value": "OpenID Connect Core through 1.0 errata set 2 allows audience injection in certain situations. When the private_key_jwt authentication mechanism is used, a malicious Authorization Server could trick a Client into writing attacker-controlled values into the audience, including token endpoints or issuer identifiers of other Authorization Servers. The malicious Authorization Server could then use these private key JWTs to impersonate the Client."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-305", "description": "CWE-305 Authentication Bypass by Primary Weakness"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openid:openid_connect:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "1.0 errata set 2"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2025-04-25T14:43:40.581Z"}}}, "cveMetadata": {"cveId": "CVE-2025-27370", "state": "PUBLISHED", "dateUpdated": "2025-04-25T14:43:40.581Z", "dateReserved": "2025-02-23T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2025-03-03T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "OpenID Connect Core through 1.0 errata set 2 allows audience injection in certain situations. When the private_key_jwt authentication mechanism is used, a malicious Authorization Server could trick a Client into writing attacker-controlled values into the audience, including token endpoints or issuer identifiers of other Authorization Servers. The malicious Authorization Server could then use these private key JWTs to impersonate the Client."}, {"lang": "es", "value": "OpenID Connect Core a trav\u00e9s del conjunto de erratas 1.0 2 permite la inyecci\u00f3n de audiencia en determinadas situaciones. Cuando se utiliza el mecanismo de autenticaci\u00f3n private_key_jwt, un servidor de autorizaci\u00f3n malintencionado podr\u00eda enga\u00f1ar a un cliente para que escriba valores controlados por el atacante en la audiencia, incluidos endpoints de token o identificadores de emisor de otros servidores de autorizaci\u00f3n. El servidor de autorizaci\u00f3n malintencionado podr\u00eda entonces utilizar estos JWT de clave privada para hacerse pasar por el cliente."}], "id": "CVE-2025-27370", "lastModified": "2025-04-25T15:15:35.820", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 4.7, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2025-03-03T18:15:40.650", "references": [{"source": "cve@mitre.org", "url": "https://eprint.iacr.org/2025/629"}, {"source": "cve@mitre.org", "url": "https://github.com/OWASP/ASVS/issues/2678"}, {"source": "cve@mitre.org", "url": "https://openid.net/notice-of-a-security-vulnerability/"}, {"source": "cve@mitre.org", "url": "https://openid.net/wp-content/uploads/2025/01/OIDF-Responsible-Disclosure-Notice-on-Security-Vulnerability-for-private_key_jwt.pdf"}, {"source": "cve@mitre.org", "url": "https://talks.secworkshop.events/osw2025/talk/R8D9BS/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-305"}], "source": "cve@mitre.org", "type": "Secondary"}]}

{}

{"created": "2025-06-20T13:55:54.080903+00:00", "updated": "2025-06-20T13:55:54.080934+00:00", "vendors": ["openid", "openid$PRODUCT$openid_connect"]}