{"id":"CVE-2018-6328","aliases":["EUVD-2018-18089","GHSA-743r-2x7m-hrm4"],"status":"published","title":"It was discovered that the Unitrends Backup (UB) before 10.1.0 user interface was exposed to an...","description":"It was discovered that the Unitrends Backup (UB) before 10.1.0 user interface was exposed to an authentication bypass, which then could allow an unauthenticated user to inject arbitrary commands into its /api/hosts parameters using backquotes.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.64369,"percentile":0.9924,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-287"],"published":"2018-03-14T19:00:00Z","modified":"2026-06-17T02:01:40Z","exploits":[{"source":"exploitdb","id":"EDB-44297","title":"Unitrends UEB 10.0 - Root Remote Code Execution","type":"remote","platform":"linux","date":"2018-03-16","url":"https://www.exploit-db.com/exploits/44297"},{"source":"exploitdb","id":"EDB-45559","title":"Unitrends UEB - HTTP API Remote Code Execution (Metasploit)","type":"remote","platform":"linux","date":"2018-10-08","verified":true,"url":"https://www.exploit-db.com/exploits/45559"},{"source":"metasploit","id":"exploit/linux/http/ueb_api_rce","title":"Unitrends UEB http api remote code execution","type":"exploit","platform":"Linux","date":"2017-08-08","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/linux/http/ueb_api_rce"}],"products":[{"vendor":"kaseya","product":"unitrends_backup"}],"references":[{"url":"https://www.exploit-db.com/exploits/45559/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://support.unitrends.com/UnitrendsBackup/s/article/000006002","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/44297/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://support.unitrends.com/UnitrendsBackup/s/article/000001150","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6328"},{"url":"https://github.com/advisories/GHSA-743r-2x7m-hrm4"}],"sources":{"cve":[{"id":"CVE-2018-6328","description":"It was discovered that the Unitrends Backup (UB) before 10.1.0 user interface was exposed to an authentication bypass, which then could allow an unauthenticated user to inject arbitrary commands into its /api/hosts parameters using backquotes.","status":"published","published":"2018-03-14T19:00:00Z","modified":"2024-08-05T06:01:48.697Z","updated_at":"2026-11-02T14:35:05.961936Z"}],"euvd":[{"id":"EUVD-2018-18089","description":"It was discovered that the Unitrends Backup (UB) before 10.1.0 user interface was exposed to an authentication bypass, which then could allow an unauthenticated user to inject arbitrary commands into its /api/hosts parameters using backquotes.","status":"published","published":"2018-03-14T19:00:00Z","modified":"2024-08-05T06:01:48Z","updated_at":"2026-11-03T02:40:08.072854Z"}],"ghsa":[{"id":"GHSA-743r-2x7m-hrm4","title":"It was discovered that the Unitrends Backup (UB) before 10.1.0 user interface was exposed to an...","description":"It was discovered that the Unitrends Backup (UB) before 10.1.0 user interface was exposed to an authentication bypass, which then could allow an unauthenticated user to inject arbitrary commands into its /api/hosts parameters using backquotes.","status":"published","published":"2022-05-13T01:04:42Z","modified":"2023-02-01T05:02:48Z","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"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:49:58.498747Z"}],"nvd":[{"id":"CVE-2018-6328","description":"It was discovered that the Unitrends Backup (UB) before 10.1.0 user interface was exposed to an authentication bypass, which then could allow an unauthenticated user to inject arbitrary commands into its /api/hosts parameters using backquotes.","status":"published","published":"2018-03-14T19:29:00.597Z","modified":"2026-06-17T02:01:40.077Z","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":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:04:24.264003Z"}]}}