Directory Traversal Vulnerability in ColoradoFTP Server for Windows
CVE-2025-34110

9.3CRITICAL

Key Information:

Vendor

Coloradoftp

Status
Server
Vendor
CVE Published:
15 July 2025

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 37%

What is CVE-2025-34110?

A directory traversal vulnerability in ColoradoFTP Server for Windows allows unauthenticated users to access and manipulate files outside the designated FTP root directory. This flaw arises from inadequate validation of user-supplied file paths during FTP GET and PUT operations. By exploiting this weakness, attackers can perform unauthorized read or write operations, potentially exposing sensitive system files. This issue is specific to the Windows version of ColoradoFTP, necessitating immediate attention from system administrators.

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Deploy the Patch

Affected Version(s)

Server Windows * <= 1.3 Build 8

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-34110 - Proof of Concept

CVE-2025-34110 - Proof of Concept

References

https://raw.githubusercontent.com/rapid7/metasploit-frame...
exploit
https://www.exploit-db.com/exploits/40231
exploit
https://bitbucket.org/nolife/coloradoftp/commits/16a60c4a...
patch

EPSS Score

37% chance of being exploited in the next 30 days.

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

RvLaboratory
JSON
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