{"id":"CVE-2025-34110","aliases":["EUVD-2025-21436","GHSA-c892-7f8v-xwmw"],"status":"published","title":"ColoradoFTP Server \u003c= 1.3 Build 8 Path Traversal Information Disclosure","description":"A directory traversal vulnerability exists in ColoradoFTP Server ≤ 1.3 Build 8 for Windows, allowing unauthenticated attackers to read or write arbitrary files outside the configured FTP root directory. The flaw is due to insufficient sanitation of user-supplied file paths in the FTP GET and PUT command handlers. Exploitation is possible by submitting traversal sequences during FTP operations, enabling access to system-sensitive files. This issue affects only the Windows version of ColoradoFTP.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01927,"percentile":0.80139,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22","CWE-306","CWE-552"],"published":"2025-07-15T13:01:10Z","modified":"2026-10-28T10:45:25Z","exploits":[{"source":"metasploit","id":"auxiliary/scanner/ftp/colorado_ftp_traversal","title":"ColoradoFTP Server 1.3 Build 8 Directory Traversal Information Disclosure","type":"auxiliary","platform":"Windows","date":"2016-08-11","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/scanner/ftp/colorado_ftp_traversal"}],"products":[{"vendor":"coloradoftp","product":"server"},{"vendor":"devolutions","product":"server"}],"references":[{"url":"https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/scanner/ftp/colorado_ftp_traversal.rb","tags":["exploit","evidence"]},{"url":"https://www.exploit-db.com/exploits/40231","tags":["exploit","evidence"]},{"url":"https://bitbucket.org/nolife/coloradoftp/commits/16a60c4a74ef477cd8c16ca82442eaab2fbe8c86","tags":["patch","fix"]},{"url":"https://www.vulncheck.com/advisories/colorado-ftp-server-path-traversal-information-disclosure","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-34110","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-c892-7f8v-xwmw"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/34xxx/CVE-2025-34110.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-34110","title":"ColoradoFTP Server \u003c= 1.3 Build 8 Path Traversal Information Disclosure","description":"A directory traversal vulnerability exists in ColoradoFTP Server ≤ 1.3 Build 8 for Windows, allowing unauthenticated attackers to read or write arbitrary files outside the configured FTP root directory. The flaw is due to insufficient sanitation of user-supplied file paths in the FTP GET and PUT command handlers. Exploitation is possible by submitting traversal sequences during FTP operations, enabling access to system-sensitive files. This issue affects only the Windows version of ColoradoFTP.","status":"published","published":"2025-07-15T13:01:10.712Z","modified":"2026-05-15T11:14:43.329Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"}],"cwes":["CWE-22","CWE-552","CWE-306"],"updated_at":"2026-11-02T14:32:54.534202Z"}],"euvd":[{"id":"EUVD-2025-21436","description":"A directory traversal vulnerability exists in ColoradoFTP Server ≤ 1.3 Build 8 for Windows, allowing unauthenticated attackers to read or write arbitrary files outside the configured FTP root directory. The flaw is due to insufficient sanitation of user-supplied file paths in the FTP GET and PUT command handlers. Exploitation is possible by submitting traversal sequences during FTP operations, enabling access to system-sensitive files. This issue affects only the Windows version of ColoradoFTP.","status":"published","published":"2025-07-15T13:01:10Z","modified":"2026-05-15T11:14:43Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T19:04:29.443212Z"}],"ghsa":[{"id":"GHSA-c892-7f8v-xwmw","title":"A directory traversal vulnerability exists in ColoradoFTP Server ≤ 1.3 Build 8 for Windows,...","description":"A directory traversal vulnerability exists in ColoradoFTP Server ≤ 1.3 Build 8 for Windows, allowing unauthenticated attackers to read or write arbitrary files outside the configured FTP root directory. The flaw is due to insufficient sanitation of user-supplied file paths in the FTP GET and PUT command handlers. Exploitation is possible by submitting traversal sequences during FTP operations, enabling access to system-sensitive files. This issue affects only the Windows version of ColoradoFTP.","status":"published","published":"2025-07-15T15:31:00Z","modified":"2025-07-15T15:31:06Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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":"critical"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:03:01.086006Z"}],"nvd":[{"id":"CVE-2025-34110","description":"A directory traversal vulnerability exists in ColoradoFTP Server ≤ 1.3 Build 8 for Windows, allowing unauthenticated attackers to read or write arbitrary files outside the configured FTP root directory. The flaw is due to insufficient sanitation of user-supplied file paths in the FTP GET and PUT command handlers. Exploitation is possible by submitting traversal sequences during FTP operations, enabling access to system-sensitive files. This issue affects only the Windows version of ColoradoFTP.","status":"published","published":"2025-07-15T13:15:30.833Z","modified":"2026-06-17T09:13:29.073Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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":"critical","assessor":"secondary"}],"cwes":["CWE-22","CWE-306","CWE-552"],"updated_at":"2026-11-02T14:11:18.285862Z"}],"osv":[{"id":"CVE-2025-34110","title":"ColoradoFTP Server \u003c= 1.3 Build 8 Path Traversal Information Disclosure","description":"A directory traversal vulnerability exists in ColoradoFTP Server ≤ 1.3 Build 8 for Windows, allowing unauthenticated attackers to read or write arbitrary files outside the configured FTP root directory. The flaw is due to insufficient sanitation of user-supplied file paths in the FTP GET and PUT command handlers. Exploitation is possible by submitting traversal sequences during FTP operations, enabling access to system-sensitive files. This issue affects only the Windows version of ColoradoFTP.","status":"published","published":"2025-07-15T13:01:10.712Z","modified":"2026-10-28T10:45:25.8633774Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-22","CWE-306","CWE-552"],"updated_at":"2026-11-02T15:44:48.02508Z"}]}}