{"id":"CVE-2020-8634","aliases":["EUVD-2020-29482","GHSA-h98j-87f6-38m2"],"status":"published","title":"Wing FTP Server v6.2.3 for Linux, macOS, and Solaris sets insecure permissions on files modified...","description":"Wing FTP Server v6.2.3 for Linux, macOS, and Solaris sets insecure permissions on files modified within the HTTP file management interface, resulting in files being saved with world-readable and world-writable permissions. If a sensitive system file were edited this way, a low-privilege user may escalate privileges to root.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/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":0.00426,"percentile":0.37175,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-281"],"published":"2020-03-06T23:33:20Z","modified":"2026-06-17T03:26:41Z","products":[{"vendor":"wftpserver","product":"wing_ftp_server"}],"references":[{"url":"https://www.hooperlabs.xyz/disclosures/cve-2020-8635.php","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8634"},{"url":"https://github.com/advisories/GHSA-h98j-87f6-38m2"}],"sources":{"cve":[{"id":"CVE-2020-8634","description":"Wing FTP Server v6.2.3 for Linux, macOS, and Solaris sets insecure permissions on files modified within the HTTP file management interface, resulting in files being saved with world-readable and world-writable permissions. If a sensitive system file were edited this way, a low-privilege user may escalate privileges to root.","status":"published","published":"2020-03-06T23:33:20Z","modified":"2024-08-04T10:03:46.369Z","updated_at":"2026-11-02T14:35:50.545879Z"}],"euvd":[{"id":"EUVD-2020-29482","description":"Wing FTP Server v6.2.3 for Linux, macOS, and Solaris sets insecure permissions on files modified within the HTTP file management interface, resulting in files being saved with world-readable and world-writable permissions. If a sensitive system file were edited this way, a low-privilege user may escalate privileges to root.","status":"published","published":"2020-03-06T23:33:20Z","modified":"2024-08-04T10:03:46Z","updated_at":"2026-11-03T03:07:56.602123Z"}],"ghsa":[{"id":"GHSA-h98j-87f6-38m2","title":"Wing FTP Server v6.2.3 for Linux, macOS, and Solaris sets insecure permissions on files modified...","description":"Wing FTP Server v6.2.3 for Linux, macOS, and Solaris sets insecure permissions on files modified within the HTTP file management interface, resulting in files being saved with world-readable and world-writable permissions. If a sensitive system file were edited this way, a low-privilege user may escalate privileges to root.","status":"published","published":"2022-05-24T17:10:22Z","modified":"2023-01-29T05:01:42Z","updated_at":"2026-11-02T14:44:53.556707Z"}],"nvd":[{"id":"CVE-2020-8634","description":"Wing FTP Server v6.2.3 for Linux, macOS, and Solaris sets insecure permissions on files modified within the HTTP file management interface, resulting in files being saved with world-readable and world-writable permissions. If a sensitive system file were edited this way, a low-privilege user may escalate privileges to root.","status":"published","published":"2020-03-07T00:15:13.24Z","modified":"2026-06-17T03:26:41.153Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-281"],"updated_at":"2026-11-02T14:05:55.32877Z"}]}}