CVE-2024-53867

{"id": "CVE-2024-53867", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2024-12-03T17:15:12.787", "references": [{"url": "https://github.com/element-hq/synapse/security/advisories/GHSA-56w4-5538-8v8h", "source": "security-advisories@github.com"}, {"url": "https://github.com/matrix-org/matrix-spec-proposals/pull/4186", "source": "security-advisories@github.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-497"}]}], "descriptions": [{"lang": "en", "value": "Synapse is an open-source Matrix homeserver. The Sliding Sync feature on Synapse versions between 1.113.0rc1 and 1.120.0 can leak partial room state changes to users no longer in a room. Non-state events, like messages, are unaffected. This vulnerability is fixed in 1.120.1."}, {"lang": "es", "value": " Synapse es un servidor dom\u00e9stico Matrix de c\u00f3digo abierto. La funci\u00f3n Sliding Sync de las versiones de Synapse entre 1.113.0rc1 y 1.120.0 puede filtrar cambios parciales del estado de la sala a usuarios que ya no est\u00e1n en la sala. Los eventos que no son de estado, como los mensajes, no se ven afectados. Esta vulnerabilidad se solucion\u00f3 en 1.120.1."}], "lastModified": "2026-04-15T00:35:42.020", "sourceIdentifier": "security-advisories@github.com"}