CVE-2025-27127

Description

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.

Category

5.3
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.04%
Affected: Siemens TIA Project-Server
Affected: Siemens TIA Project-Server V17
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V17
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V18
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V19
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V20
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2025-27127?
CVE-2025-27127 has been scored as a medium severity vulnerability.
How to fix CVE-2025-27127?
To fix CVE-2025-27127, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-27127 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-27127 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-27127?
CVE-2025-27127 affects Siemens TIA Project-Server, Siemens TIA Project-Server V17, Siemens Totally Integrated Automation Portal (TIA Portal) V17, Siemens Totally Integrated Automation Portal (TIA Portal) V18, Siemens Totally Integrated Automation Portal (TIA Portal) V19, Siemens Totally Integrated Automation Portal (TIA Portal) V20.
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