{"id":"CVE-2019-12170","aliases":["EUVD-2019-3819","GHSA-5vj3-gfgg-q9v5"],"status":"published","title":"ATutor through 2.2.4 is vulnerable to arbitrary file uploads via the mods/_core/backups/upload...","description":"ATutor through 2.2.4 is vulnerable to arbitrary file uploads via the mods/_core/backups/upload.php (aka backup) component. This may result in remote command execution. An attacker can use the instructor account to fully compromise the system using a crafted backup ZIP archive. This will allow for PHP files to be written to the web root, and for code to execute on the remote server.","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":"2026-11-09","score":0.08592,"percentile":0.95117,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-434"],"published":"2019-05-17T21:52:18Z","modified":"2026-10-24T10:30:25Z","exploits":[{"source":"pocgithub","id":"fuzzlove/ATutor-Instructor-Backup-Arbitrary-File","title":"fuzzlove/ATutor-Instructor-Backup-Arbitrary-File","date":"2019-05-13","url":"https://github.com/fuzzlove/ATutor-Instructor-Backup-Arbitrary-File"}],"products":[{"vendor":"atutor","product":"atutor"}],"references":[{"url":"https://github.com/fuzzlove/ATutor-Instructor-Backup-Arbitrary-File","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"http://incidentsecurity.com/atutor-2-2-4-backup-remote-command-execution/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","URL Repurposed","evidence"]},{"url":"http://packetstormsecurity.com/files/153869/ATutor-2.2.4-Backup-Remote-Command-Execution.html","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12170"},{"url":"http://incidentsecurity.com/atutor-2-2-4-backup-remote-command-execution"},{"url":"https://github.com/advisories/GHSA-5vj3-gfgg-q9v5"}],"sources":{"cve":[{"id":"CVE-2019-12170","description":"ATutor through 2.2.4 is vulnerable to arbitrary file uploads via the mods/_core/backups/upload.php (aka backup) component. This may result in remote command execution. An attacker can use the instructor account to fully compromise the system using a crafted backup ZIP archive. This will allow for PHP files to be written to the web root, and for code to execute on the remote server.","status":"published","published":"2019-05-17T21:52:18Z","modified":"2024-08-04T23:10:30.829Z","updated_at":"2026-11-02T14:20:24.025419Z"}],"euvd":[{"id":"EUVD-2019-3819","description":"ATutor through 2.2.4 is vulnerable to arbitrary file uploads via the mods/_core/backups/upload.php (aka backup) component. This may result in remote command execution. An attacker can use the instructor account to fully compromise the system using a crafted backup ZIP archive. This will allow for PHP files to be written to the web root, and for code to execute on the remote server.","status":"published","published":"2019-05-17T21:52:18Z","modified":"2024-08-04T23:10:30Z","updated_at":"2026-11-03T02:40:46.843701Z"}],"ghsa":[{"id":"GHSA-5vj3-gfgg-q9v5","title":"ATutor through 2.2.4 is vulnerable to arbitrary file uploads via the mods/_core/backups/upload...","description":"ATutor through 2.2.4 is vulnerable to arbitrary file uploads via the mods/_core/backups/upload.php (aka backup) component. This may result in remote command execution. An attacker can use the instructor account to fully compromise the system using a crafted backup ZIP archive. This will allow for PHP files to be written to the web root, and for code to execute on the remote server.","status":"published","published":"2022-05-24T16:46:06Z","modified":"2024-04-04T00:42:38Z","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"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:55:51.119563Z"}],"nvd":[{"id":"CVE-2019-12170","description":"ATutor through 2.2.4 is vulnerable to arbitrary file uploads via the mods/_core/backups/upload.php (aka backup) component. This may result in remote command execution. An attacker can use the instructor account to fully compromise the system using a crafted backup ZIP archive. This will allow for PHP files to be written to the web root, and for code to execute on the remote server.","status":"published","published":"2019-05-17T22:29:00.453Z","modified":"2026-06-17T02:14:11.34Z","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"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:05:13.880207Z"}],"osv":[{"id":"CVE-2019-12170","description":"ATutor through 2.2.4 is vulnerable to arbitrary file uploads via the mods/_core/backups/upload.php (aka backup) component. This may result in remote command execution. An attacker can use the instructor account to fully compromise the system using a crafted backup ZIP archive. This will allow for PHP files to be written to the web root, and for code to execute on the remote server.","status":"published","published":"2019-05-17T22:29:00.453Z","modified":"2026-10-24T10:30:25.140060904Z","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":"2026-11-02T15:44:10.718934Z"}]}}