{"id":"CVE-2011-10029","aliases":["EUVD-2011-5252","GHSA-f3r7-pgvq-gjh2"],"status":"published","title":"Solar FTP Server \u003c= 2.1.1 Malformed USER Denial of Service","description":"Solar FTP Server fails to properly handle format strings passed to the USER command. When a specially crafted string containing format specifiers is sent, the server crashes due to a read access violation in the __output_1() function of sfsservice.exe. This results in a denial of service (DoS) condition.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01146,"percentile":0.67023,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-134"],"published":"2025-08-20T15:40:31Z","modified":"2026-06-16T23:28:30Z","exploits":[{"source":"metasploit","id":"auxiliary/dos/windows/ftp/solarftp_user","title":"Solar FTP Server Malformed USER Denial of Service","type":"auxiliary","date":"2011-02-22","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/dos/windows/ftp/solarftp_user"}],"products":[{"vendor":"flexbyte software","product":"solar ftp server"}],"references":[{"url":"https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/dos/windows/ftp/solarftp_user.rb","tags":["exploit"]},{"url":"https://www.exploit-db.com/exploits/16204","tags":["exploit"]},{"url":"https://web.archive.org/web/20111102141514/https://solarftp.com/","tags":["product"]},{"url":"https://web.archive.org/web/20111009122553/http://solarftp.com/blog/news/solar-ftp-server-2-1-2.html","tags":["vendor-advisory","patch"]},{"url":"https://www.vulncheck.com/advisories/solar-ftp-server-malformed-user-dos","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-10029"},{"url":"https://web.archive.org/web/20111102141514/https://solarftp.com"},{"url":"https://github.com/advisories/GHSA-f3r7-pgvq-gjh2"}],"sources":{"cve":[{"id":"CVE-2011-10029","title":"Solar FTP Server \u003c= 2.1.1 Malformed USER Denial of Service","description":"Solar FTP Server fails to properly handle format strings passed to the USER command. When a specially crafted string containing format specifiers is sent, the server crashes due to a read access violation in the __output_1() function of sfsservice.exe. This results in a denial of service (DoS) condition.","status":"published","published":"2025-08-20T15:40:31.746Z","modified":"2026-05-15T11:13:48.26Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T14:35:36.252742Z"}],"euvd":[{"id":"EUVD-2011-5252","description":"Solar FTP Server fails to properly handle format strings passed to the USER command. When a specially crafted string containing format specifiers is sent, the server crashes due to a read access violation in the __output_1() function of sfsservice.exe. This results in a denial of service (DoS) condition.","status":"published","published":"2025-08-20T15:40:31Z","modified":"2026-05-15T11:13:48Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:04:29.443212Z"}],"ghsa":[{"id":"GHSA-f3r7-pgvq-gjh2","title":"Solar FTP Server fails to properly handle format strings passed to the USER command. When a...","description":"Solar FTP Server fails to properly handle format strings passed to the USER command. When a specially crafted string containing format specifiers is sent, the server crashes due to a read access violation in the __output_1() function of sfsservice.exe. This results in a denial of service (DoS) condition.","status":"published","published":"2025-08-20T18:30:21Z","modified":"2025-08-20T18:30:28Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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":"high"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T15:03:21.511205Z"}],"nvd":[{"id":"CVE-2011-10029","description":"Solar FTP Server fails to properly handle format strings passed to the USER command. When a specially crafted string containing format specifiers is sent, the server crashes due to a read access violation in the __output_1() function of sfsservice.exe. This results in a denial of service (DoS) condition.","status":"published","published":"2025-08-20T16:15:35.973Z","modified":"2026-06-16T23:28:30.08Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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":"high","assessor":"secondary"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T14:02:12.945371Z"}]}}