Main Vulnerability Database Vulnerabilities #VU112903

Arbitrary file upload in Totally Integrated Automation Portal (TIA Portal) and TIA Project-Server - CVE-2025-27127

Published: July 15, 2025

Vulnerability identifier: #VU112903

CSH Severity: Medium

CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-27127

CWE-ID: CWE-434

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload in the document root. A remote user can upload a malicious file and execute it on the server.

Affected software

Totally Integrated Automation Portal (TIA Portal)
TIA Project-Server

How to mitigate CVE-2025-27127

Install updates from vendor's website.

Totally Integrated Automation Portal (TIA Portal) - update to 20 Update 3
TIA Project-Server - update to 2.1.1

External References

Related Security Bulletins