{"id":"CVE-2022-35866","aliases":["EUVD-2022-38739","GHSA-3v9w-qp9v-wq29"],"status":"published","title":"This vulnerability allows remote attackers to bypass authentication on affected installations of...","description":"This vulnerability allows remote attackers to bypass authentication on affected installations of Vinchin Backup and Recovery 6.5.0.17561. Authentication is not required to exploit this vulnerability. The specific flaw exists within the configuration of the MySQL server. The server uses a hard-coded password for the administrator user. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-17139.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.04716,"percentile":0.91894,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2022-08-03T00:00:00Z","modified":"2026-06-17T04:52:25Z","products":[{"vendor":"veeam","product":"backup and recovery"},{"vendor":"vinchin","product":"backup and recovery"},{"vendor":"vinchin","product":"vinchin_backup_and_recovery"}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-959/","tags":["x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://seclists.org/fulldisclosure/2024/Jan/30","tags":["mailing-list","x_transferred"]},{"url":"http://packetstormsecurity.com/files/176794/Vinchin-Backup-And-Recovery-7.2-Default-MySQL-Credentials.html","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-35866"},{"url":"https://github.com/advisories/GHSA-3v9w-qp9v-wq29"}],"sources":{"cve":[{"id":"CVE-2022-35866","description":"This vulnerability allows remote attackers to bypass authentication on affected installations of Vinchin Backup and Recovery 6.5.0.17561. Authentication is not required to exploit this vulnerability. The specific flaw exists within the configuration of the MySQL server. The server uses a hard-coded password for the administrator user. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-17139.","status":"published","published":"2022-08-03T00:00:00Z","modified":"2024-11-20T16:17:40.829Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:34:39.559326Z"}],"euvd":[{"id":"EUVD-2022-38739","description":"This vulnerability allows remote attackers to bypass authentication on affected installations of Vinchin Backup and Recovery 6.5.0.17561. Authentication is not required to exploit this vulnerability. The specific flaw exists within the configuration of the MySQL server. The server uses a hard-coded password for the administrator user. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-17139.","status":"published","published":"2022-08-03T00:00:00Z","modified":"2024-11-20T16:17:40Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:04:54.7374Z"}],"ghsa":[{"id":"GHSA-3v9w-qp9v-wq29","title":"This vulnerability allows remote attackers to bypass authentication on affected installations of...","description":"This vulnerability allows remote attackers to bypass authentication on affected installations of Vinchin Backup and Recovery 6.5.0.17561. Authentication is not required to exploit this vulnerability. The specific flaw exists within the configuration of the MySQL server. The server uses a hard-coded password for the administrator user. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-17139.","status":"published","published":"2022-08-04T00:00:22Z","modified":"2024-02-04T05:07:07Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:55:33.593991Z"}],"nvd":[{"id":"CVE-2022-35866","description":"This vulnerability allows remote attackers to bypass authentication on affected installations of Vinchin Backup and Recovery 6.5.0.17561. Authentication is not required to exploit this vulnerability. The specific flaw exists within the configuration of the MySQL server. The server uses a hard-coded password for the administrator user. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-17139.","status":"published","published":"2022-08-03T16:15:08.77Z","modified":"2026-06-17T04:52:25.247Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:07:24.39467Z"}]}}