CVE-2023-49804

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This vulnerability allows unauthorized access to user accounts, compromising the security of sensitive information. The same vulnerability was partially fixed in CVE-2023-44400, but logging existing users out of their accounts was forgotten. To mitigate the risks associated with this vulnerability, the maintainers made the server emit a `refresh` event (clients handle this by reloading) and then disconnecting all clients except the one initiating the password change. It is recommended to update Uptime Kuma to version 1.23.9."}, {"lang": "es", "value": "Uptime Kuma es una herramienta de monitorizaci\u00f3n autohospedada y f\u00e1cil de usar. Antes de la versi\u00f3n 1.23.9, cuando un usuario cambia su contrase\u00f1a de inicio de sesi\u00f3n en Uptime Kuma, un usuario que hab\u00eda iniciado sesi\u00f3n anteriormente conserva el acceso sin cerrar la sesi\u00f3n. Este comportamiento persiste constantemente, incluso despu\u00e9s de reiniciar el sistema o el navegador. Esta vulnerabilidad permite el acceso no autorizado a cuentas de usuarios, comprometiendo la seguridad de informaci\u00f3n confidencial. La misma vulnerabilidad se solucion\u00f3 parcialmente en CVE-2023-44400, pero se olvid\u00f3 cerrar la sesi\u00f3n de los usuarios existentes en sus cuentas. Para mitigar los riesgos asociados con esta vulnerabilidad, los mantenedores hicieron que el servidor emitiera un evento de \"actualizaci\u00f3n\" (los clientes manejan esto recargando) y luego desconectaron a todos los clientes excepto el que inici\u00f3 el cambio de contrase\u00f1a. Se recomienda actualizar Uptime Kuma a la versi\u00f3n 1.23.9."}], "id": "CVE-2023-49804", "lastModified": "2026-06-17T06:36:30.060", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-49804", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-02-05T19:28:12.832748Z", "version": "2.0.3"}}]}, "published": "2023-12-11T23:15:07.840", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/louislam/uptime-kuma/commit/482049c72b3a650c7bc5c26c2f4d57a21c0e0aa0"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/louislam/uptime-kuma/security/advisories/GHSA-88j4-pcx8-q4q3"}, {"source": "security-advisories@github.com", "tags": ["Not Applicable"], "url": "https://github.com/louislam/uptime-kuma/security/advisories/GHSA-g9v2-wqcj-j99g"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/louislam/uptime-kuma/commit/482049c72b3a650c7bc5c26c2f4d57a21c0e0aa0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/louislam/uptime-kuma/security/advisories/GHSA-88j4-pcx8-q4q3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Not Applicable"], "url": "https://github.com/louislam/uptime-kuma/security/advisories/GHSA-g9v2-wqcj-j99g"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-384"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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