Description
A vulnerability has been identified in Totally Integrated Automation Portal (TIA Portal) V14 (All versions), Totally Integrated Automation Portal (TIA Portal) V15 (All versions), Totally Integrated Automation Portal (TIA Portal) V15.1 (All versions), Totally Integrated Automation Portal (TIA Portal) V16 (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). The know-how protection feature in affected products does not properly update the encryption of existing program blocks when a project file is updated.
This could allow attackers with access to the project file to recover previous - yet unprotected - versions of the project without the knowledge of the know-how protection password.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | Totally Integrated Automation Portal (TIA Portal) V14 | — | — |
| Siemens | Totally Integrated Automation Portal (TIA Portal) V15 | — | — |
| Siemens | Totally Integrated Automation Portal (TIA Portal) V15.1 | — | — |
| Siemens | Totally Integrated Automation Portal (TIA Portal) V16 | — | — |
| 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 | — | — |
Advisories 3
- ICSA-23-166-06 Siemens TIA Portal CISA ICS & IT advisories · Dec 10, 2024
- SSA-042050 SSA-042050: Know-How Protection Mechanism Failure in TIA Portal Siemens ProductCERT · Dec 10, 2024
- WID-SEC-2023-1429 Siemens TIA Portal: Schwachstelle ermöglicht Offenlegung von Informationen BSI CERT-Bund (WID) · Jun 12, 2023