{"id":"CVE-2021-40385","aliases":["EUVD-2021-27562","GHSA-cjcw-89fv-xfjw"],"status":"published","title":"An issue was discovered in the server software in Kaseya Unitrends Backup Software before 10.5.5...","description":"An issue was discovered in the server software in Kaseya Unitrends Backup Software before 10.5.5-2. There is a privilege escalation from read-only user to admin.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01133,"percentile":0.66693,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-09-01T20:55:59Z","modified":"2026-06-17T04:06:50Z","products":[{"vendor":"kaseya","product":"unitrends_backup_software"}],"references":[{"url":"https://csirt.divd.nl/csirt-divd-nl/cases/DIVD-2021-00014/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40385"},{"url":"https://github.com/advisories/GHSA-cjcw-89fv-xfjw"}],"sources":{"cve":[{"id":"CVE-2021-40385","description":"An issue was discovered in the server software in Kaseya Unitrends Backup Software before 10.5.5-2. There is a privilege escalation from read-only user to admin.","status":"published","published":"2021-09-01T20:55:59Z","modified":"2024-08-04T02:44:09.493Z","updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-27562","description":"An issue was discovered in the server software in Kaseya Unitrends Backup Software before 10.5.5-2. There is a privilege escalation from read-only user to admin.","status":"published","published":"2021-09-01T20:55:59Z","modified":"2024-08-04T02:44:09Z","updated_at":"2026-11-03T03:24:20.862157Z"}],"ghsa":[{"id":"GHSA-cjcw-89fv-xfjw","title":"An issue was discovered in the server software in Kaseya Unitrends Backup Software before 10.5.5...","description":"An issue was discovered in the server software in Kaseya Unitrends Backup Software before 10.5.5-2. There is a privilege escalation from read-only user to admin.","status":"published","published":"2022-05-24T19:12:40Z","modified":"2023-01-27T05:03:56Z","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"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:42:21.502511Z"}],"nvd":[{"id":"CVE-2021-40385","description":"An issue was discovered in the server software in Kaseya Unitrends Backup Software before 10.5.5-2. There is a privilege escalation from read-only user to admin.","status":"published","published":"2021-09-01T21:15:07.343Z","modified":"2026-06-17T04:06:50.36Z","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","assessor":"primary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:58.05696Z"}]}}