{"id":"CVE-2017-12479","aliases":["EUVD-2017-4051","GHSA-qm9m-fp5f-xg9x"],"status":"published","title":"It was discovered that an issue in the session logic in Unitrends Backup (UB) before 10.0.0...","description":"It was discovered that an issue in the session logic in Unitrends Backup (UB) before 10.0.0 allowed using the LOGDIR environment variable during a web session to elevate an existing low-privilege user to root privileges. A remote attacker with existing low-privilege credentials could then execute arbitrary commands with root privileges.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.11811,"percentile":0.96113,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2017-08-07T15:00:00Z","modified":"2026-06-17T01:03:22Z","exploits":[{"source":"exploitdb","id":"EDB-42959","title":"Unitrends UEB 9.1 - Privilege Escalation","type":"webapps","platform":"php","date":"2017-08-08","verified":true,"url":"https://www.exploit-db.com/exploits/42959"}],"products":[{"vendor":"kaseya","product":"unitrends_backup"}],"references":[{"url":"https://support.unitrends.com/UnitrendsBackup/s/article/000005757","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-12479"},{"url":"https://github.com/advisories/GHSA-qm9m-fp5f-xg9x"}],"sources":{"cve":[{"id":"CVE-2017-12479","description":"It was discovered that an issue in the session logic in Unitrends Backup (UB) before 10.0.0 allowed using the LOGDIR environment variable during a web session to elevate an existing low-privilege user to root privileges. A remote attacker with existing low-privilege credentials could then execute arbitrary commands with root privileges.","status":"published","published":"2017-08-07T15:00:00Z","modified":"2024-08-05T18:36:56.407Z","updated_at":"2026-11-02T14:33:17.59533Z"}],"euvd":[{"id":"EUVD-2017-4051","description":"It was discovered that an issue in the session logic in Unitrends Backup (UB) before 10.0.0 allowed using the LOGDIR environment variable during a web session to elevate an existing low-privilege user to root privileges. A remote attacker with existing low-privilege credentials could then execute arbitrary commands with root privileges.","status":"published","published":"2017-08-07T15:00:00Z","modified":"2024-08-05T18:36:56Z","updated_at":"2026-11-03T02:23:21.159659Z"}],"ghsa":[{"id":"GHSA-qm9m-fp5f-xg9x","title":"It was discovered that an issue in the session logic in Unitrends Backup (UB) before 10.0.0...","description":"It was discovered that an issue in the session logic in Unitrends Backup (UB) before 10.0.0 allowed using the LOGDIR environment variable during a web session to elevate an existing low-privilege user to root privileges. A remote attacker with existing low-privilege credentials could then execute arbitrary commands with root privileges.","status":"published","published":"2022-05-13T01:04:42Z","modified":"2023-02-01T05:02:52Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:49:58.981291Z"}],"nvd":[{"id":"CVE-2017-12479","description":"It was discovered that an issue in the session logic in Unitrends Backup (UB) before 10.0.0 allowed using the LOGDIR environment variable during a web session to elevate an existing low-privilege user to root privileges. A remote attacker with existing low-privilege credentials could then execute arbitrary commands with root privileges.","status":"published","published":"2017-08-07T15:29:00.267Z","modified":"2026-06-17T01:03:22.6Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/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":"2026-11-02T14:03:57.282351Z"}]}}