Arbitrary file upload in Llisoft Mta Maita Training System
CVE-2025-5171
A vulnerability, which was classified as critical, has been found in llisoft MTA Maita Training System 4.5. This issue affects the function this.fileService.download of the file com\llisoft\controller\OpenController.java. The manipulation of the argument url leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
EPSS: 0.004 (35.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Llisoft Mta Maita Training System — versions 4.5
- Llisoft Mta_maita_training_system — versions 4.5
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (Exploit, exploit)
Frequently asked questions
- What is CVE-2025-5171?
- CVE-2025-5171 is a medium-severity vulnerability in Llisoft Mta Maita Training System, classified under Improper Access Control. CVSS score: 6.3/10. Published 2025-05-26.
- How severe is CVE-2025-5171?
- Medium severity. CVSS v3 base score is 6.3 out of 10.