Auth bypass in Coloradoftp Server

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 sani…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.506 (97.9th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-34110?
CVE-2025-34110 is a vulnerability in Coloradoftp Server, classified under Path Traversal. Published 2025-07-15.
Is CVE-2025-34110 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.