CVE-2025-27370

{"id": "CVE-2025-27370", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 4.7, "exploitabilityScore": 1.6}]}, "published": "2025-03-03T18:15:40.650", "references": [{"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/", "source": "cve@mitre.org"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-305"}]}], "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."}], "lastModified": "2025-03-07T17:15:22.083", "sourceIdentifier": "cve@mitre.org"}