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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | TIA Project-Server | < V2.1.1 | V2.1.1 |
| 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 | < V19 Update 4 | V19 Update 4 |
| Siemens | Totally Integrated Automation Portal (TIA Portal) V20 | < V20 Update 3 | V20 Update 3 |
Advisories 4
- ICSA-25-191-05 Siemens TIA Project-Server and TIA Portal CISA ICS & IT advisories · Aug 12, 2025
- SSA-460466 SSA-460466: Denial of Service Vulnerability in TIA Project-Server and TIA Portal Siemens ProductCERT · Aug 12, 2025
- NCSC-2025-0211 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Jul 8, 2025
- WID-SEC-2025-1477 Siemens TIA Portal: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jul 7, 2025