by Kastro
Paper/Archive/CVE-2025-34110

CVE-2025-34110

ColoradoFTP Server — ColoradoFTP Server <= 1.3 Build 8 Path Traversal Information Disclosure

EPSS 2%public exploitCVSS 9.3
critical.is priorityof 100
54
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 80.0.800 × 2016.0Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Server≤ 1.3 Build 8–CNA

Scores by source

VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: partial

References

exploitraw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/scanner/ftp/colorado_ftp_traversal.rbexploitexploit-db.com/exploits/40231patchbitbucket.org/nolife/coloradoftp/commits/16a60c4a74ef477cd8c16ca82442eaab2fbe8c86writeupvulncheck.com/advisories/colorado-ftp-server-path-traversal-information-disclosure