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.
Published: 2025-07-15
Score: 9.3 Critical
EPSS: 50.6% High
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
EUVD EUVD EUVD-2025-21436 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.
History

Thu, 05 Mar 2026 12:30:00 +0000

Type Values Removed Values Added
First Time appeared Trueconf
Trueconf server
CPEs cpe:2.3:a:trueconf:server:*:*:*:*:*:*:*:*
Vendors & Products Trueconf
Trueconf server

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00413}


Tue, 15 Jul 2025 14:30:00 +0000


Tue, 15 Jul 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 15 Jul 2025 14:00:00 +0000


Tue, 15 Jul 2025 13:15:00 +0000

Type Values Removed Values Added
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.
Title ColoradoFTP Server <= 1.3 Build 8 Path Traversal Information Disclosure
Weaknesses CWE-22
CWE-306
CWE-552
References
Metrics cvssV4_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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-05-15T11:14:43.329Z

Reserved: 2025-04-15T19:15:22.560Z

Link: CVE-2025-34110

cve-icon Vulnrichment

Updated: 2025-07-15T13:44:47.466Z

cve-icon NVD

Status : Deferred

Published: 2025-07-15T13:15:30.833

Modified: 2026-04-15T00:35:42.020

Link: CVE-2025-34110

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-11T17:30:15Z

Weaknesses