{"id":"CVE-2023-52947","aliases":["EUVD-2023-59631","GHSA-56mf-38rx-qwp9"],"status":"published","title":"Missing authentication for critical function vulnerability in logout functionality in Synology...","description":"Missing authentication for critical function vulnerability in logout functionality in Synology Active Backup for Business Agent before 2.6.3-3101 allows local users to logout the client via unspecified vectors. The backup functionality will continue to operate and will not be affected by the logout.","severity":{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00164,"percentile":0.05714,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2024-09-26T03:41:03Z","modified":"2026-06-17T06:43:59Z","products":[{"vendor":"synology","product":"active_backup_for_business_agent"},{"vendor":"synology","product":"synology active backup for business agent"}],"references":[{"url":"https://www.synology.com/en-global/security/advisory/Synology_SA_24_11","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52947"},{"url":"https://github.com/advisories/GHSA-56mf-38rx-qwp9"}],"sources":{"cve":[{"id":"CVE-2023-52947","description":"Missing authentication for critical function vulnerability in logout functionality in Synology Active Backup for Business Agent before 2.6.3-3101 allows local users to logout the client via unspecified vectors. The backup functionality will continue to operate and will not be affected by the logout.","status":"published","published":"2024-09-26T03:41:03.462Z","modified":"2024-09-26T14:38:53.499Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:35:18.88314Z"}],"euvd":[{"id":"EUVD-2023-59631","description":"Missing authentication for critical function vulnerability in logout functionality in Synology Active Backup for Business Agent before 2.6.3-3101 allows local users to logout the client via unspecified vectors. The backup functionality will continue to operate and will not be affected by the logout.","status":"published","published":"2024-09-26T03:41:03Z","modified":"2024-09-26T14:38:53Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T00:28:09.922822Z"}],"ghsa":[{"id":"GHSA-56mf-38rx-qwp9","title":"Missing authentication for critical function vulnerability in logout functionality in Synology...","description":"Missing authentication for critical function vulnerability in logout functionality in Synology Active Backup for Business Agent before 2.6.3-3101 allows local users to logout the client via unspecified vectors. The backup functionality will continue to operate and will not be affected by the logout.","status":"published","published":"2024-09-26T06:30:47Z","modified":"2024-09-26T06:30:53Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:58:20.799511Z"}],"nvd":[{"id":"CVE-2023-52947","description":"Missing authentication for critical function vulnerability in logout functionality in Synology Active Backup for Business Agent before 2.6.3-3101 allows local users to logout the client via unspecified vectors. The backup functionality will continue to operate and will not be affected by the logout.","status":"published","published":"2024-09-26T04:15:06.11Z","modified":"2026-06-17T06:43:59.87Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:09:19.052418Z"}]}}