{"id":"CVE-2012-10023","aliases":["EUVD-2012-6577","GHSA-v5vr-r7j6-q2w6"],"status":"published","title":"FreeFloat FTP Server USER Command Buffer Overflow","description":"A stack-based buffer overflow vulnerability exists in FreeFloat FTP Server version 1.0.0. The server fails to properly validate input passed to the USER command, allowing remote attackers to overwrite memory and potentially execute arbitrary code. The flaw is triggered by sending an overly long username string, which overflows the buffer allocated for user authentication.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.02823,"percentile":0.86676,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-121"],"published":"2025-08-05T20:02:08Z","modified":"2026-06-16T23:38:41Z","exploits":[{"source":"metasploit","id":"exploit/windows/ftp/freefloatftp_user","title":"Free Float FTP Server USER Command Buffer Overflow","type":"exploit","platform":"Windows","date":"2012-06-12","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/ftp/freefloatftp_user"}],"products":[{"vendor":"freefloat","product":"freefloat_ftp_server"},{"vendor":"freefloat","product":"ftp server"},{"vendor":"pcman","product":"ftp server"}],"references":[{"url":"https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/ftp/freefloatftp_user.rb","tags":["exploit","Exploit"]},{"url":"https://www.exploit-db.com/exploits/23243","tags":["exploit","Exploit"]},{"url":"https://my.saintcorporation.com/cgi-bin/exploit_info/freefloat_ftp_server_user_cmd","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://www.exploit-db.com/exploits/15689","tags":["exploit","Exploit"]},{"url":"https://web.archive.org/web/20101208040029/http://secunia.com/advisories/42465/","tags":["technical-description","exploit","Third Party Advisory"]},{"url":"https://web.archive.org/web/20101213050627/http://www.freefloat.com/sv/about-/about-.php","tags":["product","Product"]},{"url":"https://www.vulncheck.com/advisories/freefloat-ftp-server-user-command-buffer-overflow","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-10023"},{"url":"https://web.archive.org/web/20101208040029/http://secunia.com/advisories/42465"},{"url":"https://github.com/advisories/GHSA-v5vr-r7j6-q2w6"}],"sources":{"cve":[{"id":"CVE-2012-10023","title":"FreeFloat FTP Server USER Command Buffer Overflow","description":"A stack-based buffer overflow vulnerability exists in FreeFloat FTP Server version 1.0.0. The server fails to properly validate input passed to the USER command, allowing remote attackers to overwrite memory and potentially execute arbitrary code. The flaw is triggered by sending an overly long username string, which overflows the buffer allocated for user authentication.","status":"published","published":"2025-08-05T20:02:08.874Z","modified":"2026-04-07T14:02:23.101Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:34:49.600255Z"}],"euvd":[{"id":"EUVD-2012-6577","description":"A stack-based buffer overflow vulnerability exists in FreeFloat FTP Server version 1.0.0. The server fails to properly validate input passed to the USER command, allowing remote attackers to overwrite memory and potentially execute arbitrary code. The flaw is triggered by sending an overly long username string, which overflows the buffer allocated for user authentication.","status":"published","published":"2025-08-05T20:02:08Z","modified":"2026-04-07T14:02:23Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:25:14.820353Z"}],"ghsa":[{"id":"GHSA-v5vr-r7j6-q2w6","title":"A stack-based buffer overflow vulnerability exists in FreeFloat FTP Server version 1.0.0. The...","description":"A stack-based buffer overflow vulnerability exists in FreeFloat FTP Server version 1.0.0. The server fails to properly validate input passed to the USER command, allowing remote attackers to overwrite memory and potentially execute arbitrary code. The flaw is triggered by sending an overly long username string, which overflows the buffer allocated for user authentication.","status":"published","published":"2025-08-05T21:31:37Z","modified":"2025-09-03T15:30:33Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:03:28.374084Z"}],"nvd":[{"id":"CVE-2012-10023","description":"A stack-based buffer overflow vulnerability exists in FreeFloat FTP Server version 1.0.0. The server fails to properly validate input passed to the USER command, allowing remote attackers to overwrite memory and potentially execute arbitrary code. The flaw is triggered by sending an overly long username string, which overflows the buffer allocated for user authentication.","status":"published","published":"2025-08-05T20:15:32Z","modified":"2026-06-16T23:38:41.477Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:02:18.043773Z"}]}}