CVE-2025-27127

08.07.2025, 11:15

A vulnerability has been identified in TIA Project-Server (All versions < V2.1.1), TIA Project-Server V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V18 (All versions), Totally Integrated Automation Portal (TIA Portal) V19 (All versions), Totally Integrated Automation Portal (TIA Portal) V20 (All versions < V20 Update 3). The affected application improperly handles uploaded projects in the document root. This could allow an attacker with contributor privileges to cause denial of service by uploading a malicious project.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	4.3 MEDIUM	NETWORK	LOW	LOW	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
siemens	CNA	4.3 MEDIUM				CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
CISA-ADP	ADP	---				---

Awaiting analysis

This vulnerability is currently awaiting analysis.

Base Score

CVSS 3.x

EPSS Score

Percentile: 10%

Common Weakness Enumeration

CWE-434 - Unrestricted Upload of File with Dangerous Type
The software allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment.

Vulnerability Media Exposure

[GERMAN] Siemens TIA Portal: Schwachstelle ermöglicht Denial of Service
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Siemens TIA Portal ausnutzen, um einen Denial of Service Angriff durchzuführen.
Published: 2025-07-07T22:00:00+00:00

References

https://cert-portal.siemens.com/productcert/html/ssa-460466.html