{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-21T03:29:23.465","vulnerabilities":[{"cve":{"id":"CVE-2024-53867","sourceIdentifier":"security-advisories@github.com","published":"2024-12-03T17:15:12.787","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","cveTags":[],"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 doméstico Matrix de código abierto. La función 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 están en la sala. Los eventos que no son de estado, como los mensajes, no se ven afectados. Esta vulnerabilidad se solucionó en 1.120.1."}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":1.4}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-497"}]}],"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"}]}}]}