CVE-2025-49812

{"id": "CVE-2025-49812", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.2}]}, "published": "2025-07-10T17:15:48.193", "references": [{"url": "https://httpd.apache.org/security/vulnerabilities_24.html", "tags": ["Vendor Advisory"], "source": "security@apache.org"}, {"url": "http://www.openwall.com/lists/oss-security/2025/07/09/3", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2025/07/10/2", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2025/07/10/9", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00009.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "In some mod_ssl configurations on Apache HTTP Server versions through to 2.4.63, an HTTP desynchronisation attack allows a man-in-the-middle attacker to hijack an HTTP session via a TLS upgrade.\n\nOnly configurations using \"SSLEngine optional\" to enable TLS upgrades are affected. Users are recommended to upgrade to version 2.4.64, which removes support for TLS upgrade."}, {"lang": "es", "value": "En algunas configuraciones de mod_ssl en las versiones de Apache HTTP Server hasta la 2.4.63, un ataque de desincronizaci\u00f3n HTTP permite a un atacante intermediario secuestrar una sesi\u00f3n HTTP mediante una actualizaci\u00f3n de TLS. Solo se ven afectadas las configuraciones que utilizan \"SSLEngine opcional\" para habilitar las actualizaciones de TLS. Se recomienda a los usuarios actualizar a la versi\u00f3n 2.4.64, que elimina la compatibilidad con la actualizaci\u00f3n de TLS."}], "lastModified": "2025-11-04T22:16:18.607", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "662068A4-E8A3-4A24-80B6-F15720D57114", "versionEndExcluding": "2.4.64"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org"}