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 < V19 Update 4), 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.
How to fix
- Siemens TIA Project-ServerV2.1.1 or later
- Siemens Totally Integrated Automation Portal (TIA Portal) V19V19 Update 4 or later
- Siemens Totally Integrated Automation Portal (TIA Portal) V20V20 Update 3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Siemens Totally Integrated Automation Portal (TIA Portal) V17 | 0 | — |
| Siemens TIA Project-Server | v < V2.1.1 | V2.1.1 |
| Siemens TIA Project-Server V17 | 0 | — |
| Siemens Totally Integrated Automation Portal (TIA Portal) V18 | 0 | — |
| Siemens Totally Integrated Automation Portal (TIA Portal) V19 | v < V19 Update 4 | V19 Update 4 |
| Siemens Totally Integrated Automation Portal (TIA Portal) V20 | v < V20 Update 3 | V20 Update 3 |
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