{"id":"CVE-2024-9999","aliases":["EUVD-2024-50272","GHSA-fgq7-v63g-3f6x"],"status":"published","title":"Multi-Factor Authentication Bypass in Progress WS_FTP Server","description":"In WS_FTP Server versions before 8.8.9 (2022.0.9), an Incorrect Implementation of Authentication Algorithm in the Web Transfer Module allows users to skip the second-factor verification and log in with username and password only.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00415,"percentile":0.36075,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-303"],"published":"2024-11-12T16:33:00Z","modified":"2026-06-17T08:25:40Z","products":[{"vendor":"progress software corporation","product":"ws_ftp server"},{"vendor":"progress_software","product":"ws_ftp_server"}],"references":[{"url":"https://community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2024","tags":["vendor-advisory"]},{"url":"https://www.progress.com/ftp-server","tags":["product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-9999"},{"url":"https://github.com/advisories/GHSA-fgq7-v63g-3f6x"}],"sources":{"cve":[{"id":"CVE-2024-9999","title":"Multi-Factor Authentication Bypass in Progress WS_FTP Server","description":"In WS_FTP Server versions before 8.8.9 (2022.0.9), an Incorrect Implementation of Authentication Algorithm in the Web Transfer Module allows users to skip the second-factor verification and log in with username and password only.","status":"published","published":"2024-11-12T16:33:00.6Z","modified":"2024-11-12T17:19:06.94Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-303"],"updated_at":"2026-11-02T14:34:05.823187Z"}],"euvd":[{"id":"EUVD-2024-50272","description":"In WS_FTP Server versions before 8.8.9 (2022.0.9), an Incorrect Implementation of Authentication Algorithm in the Web Transfer Module allows users to skip the second-factor verification and log in with username and password only.","status":"published","published":"2024-11-12T16:33:00Z","modified":"2024-11-12T17:19:06Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T00:05:03.88189Z"}],"ghsa":[{"id":"GHSA-fgq7-v63g-3f6x","title":"In WS_FTP Server versions before 8.8.9 (2022.0.9), an Incorrect Implementation of Authentication...","description":"In WS_FTP Server versions before 8.8.9 (2022.0.9), an Incorrect Implementation of Authentication Algorithm in the Web Transfer Module allows users to skip the second-factor verification and log in with username and password only.","status":"published","published":"2024-11-12T18:30:57Z","modified":"2024-11-12T18:30:58Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-303"],"updated_at":"2026-11-02T14:58:47.584935Z"}],"nvd":[{"id":"CVE-2024-9999","description":"In WS_FTP Server versions before 8.8.9 (2022.0.9), an Incorrect Implementation of Authentication Algorithm in the Web Transfer Module allows users to skip the second-factor verification and log in with username and password only.","status":"published","published":"2024-11-12T17:15:12.013Z","modified":"2026-06-17T08:25:40.077Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-303"],"updated_at":"2026-11-02T14:10:36.931115Z"}]}}