CVE-2025-34110

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.

• CWE-22
• CWE-306
• CWE-552

• https://bitbucket.org/nolife/coloradoftp/commits/16a60c4a74ef477cd8c16ca82442eaab2fbe8c86
• https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/scanner/ftp/colorado_ftp_traversal.rb
• https://www.exploit-db.com/exploits/40231
• https://www.vulncheck.com/advisories/colorado-ftp-server-path-traversal-information-disclosure

Published

Jul 15, 2025

Last Modified

Jun 17, 2026

Status

Deferred

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