Unrestricted Upload Vulnerability in llisoft MTA Maita Training System
CVE-2025-5171

5.3MEDIUM

Key Information:

Vendor

Llisoft

Status
Mta Maita Training System
Vendor
CVE Published:
26 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5171?

A vulnerability exists in the llisoft MTA Maita Training System version 4.5, specifically within the download function of OpenController.java. This issue allows for unrestricted file uploads by manipulating the URL argument. Attackers can potentially exploit this vulnerability remotely, posing a significant risk to system integrity. Public disclosure of the exploit suggests immediate action is needed to mitigate risk.

Affected Version(s)

MTA Maita Training System 4.5

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-2025-5171 - Proof of Concept

References

https://vuldb.com/?id.310259
vdb-entrytechnical-description
https://vuldb.com/?ctiid.310259
signaturepermissions-required
https://vuldb.com/?submit.579088
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
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

caichaoxiong (VulDB User)
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