{"id":"CVE-2025-30278","aliases":["EUVD-2025-27791","GHSA-cc9p-jmcf-87w4"],"status":"published","title":"Qsync Central","description":"An improper certificate validation vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system.\n\nWe have already fixed the vulnerability in the following version:\nQsync Central 4.5.0.7 ( 2025/04/23 ) and later","severity":{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00234,"percentile":0.14396,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2025-08-29T17:16:46Z","modified":"2026-10-18T21:10:00Z","products":[{"vendor":"qnap","product":"qsync_central"},{"vendor":"qnap systems inc.","product":"qsync central"}],"references":[{"url":"https://www.qnap.com/en/security-advisory/qsa-25-22","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-30278"},{"url":"https://github.com/advisories/GHSA-cc9p-jmcf-87w4"}],"sources":{"cve":[{"id":"CVE-2025-30278","title":"Qsync Central","description":"An improper certificate validation vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system.\n\nWe have already fixed the vulnerability in the following version:\nQsync Central 4.5.0.7 ( 2025/04/23 ) and later","status":"published","published":"2025-08-29T17:16:46.575Z","modified":"2025-08-29T18:22:18.446Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","level":"high","assessor":"cna"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:32:35.418416Z"}],"euvd":[{"id":"EUVD-2025-27791","description":"An improper certificate validation vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system.\n\nWe have already fixed the vulnerability in the following version:\nQsync Central 4.5.0.7 ( 2025/04/23 ) and later","status":"published","published":"2025-08-29T17:16:46Z","modified":"2025-08-29T18:22:18Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","level":"high"}],"updated_at":"2026-11-02T20:31:49.600955Z"}],"ghsa":[{"id":"GHSA-cc9p-jmcf-87w4","title":"An improper certificate validation vulnerability has been reported to affect Qsync Central. If a...","description":"An improper certificate validation vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system.\n\nWe have already fixed the vulnerability in the following version:\nQsync Central 4.5.0.7 ( 2025/04/23 ) and later","status":"published","published":"2025-08-29T18:30:53Z","modified":"2025-09-19T18:31:21Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:03:40.313612Z"}],"nvd":[{"id":"CVE-2025-30278","description":"An improper certificate validation vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system.\n\nWe have already fixed the vulnerability in the following version:\nQsync Central 4.5.0.7 ( 2025/04/23 ) and later","status":"published","published":"2025-08-29T18:15:40.63Z","modified":"2026-10-18T21:10:00.12Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:11:26.200344Z"}]}}