Description
A vulnerability has been identified in SIMATIC NET PC Software V14 (All versions), SIMATIC NET PC Software V15 (All versions), SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), SIMATIC PCS 7 V9.1 (All versions), SIMATIC WinCC (All versions < V8.0), SINAUT Software ST7sc (All versions). Before SIMATIC WinCC V8, legacy OPC services (OPC DA (Data Access), OPC HDA (Historical Data Access), and OPC AE (Alarms & Events)) were used per default. These
services were designed on top of the Windows ActiveX and DCOM mechanisms and do not implement state-of-the-art security mechanisms for authentication and encryption of contents.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC NET PC Software V14 | All versions | — |
| Siemens | SIMATIC NET PC Software V15 | All versions | — |
| Siemens | SIMATIC PCS 7 V8.2 | All versions | — |
| Siemens | SIMATIC PCS 7 V9.0 | All versions | — |
| Siemens | SIMATIC PCS 7 V9.1 | All versions | — |
| Siemens | SIMATIC WinCC | All versions < V8.0 | — |
| Siemens | SINAUT Software ST7sc | All versions | — |
Advisories 3
- ICSA-23-166-05 Siemens SIMATIC WinCC CISA ICS & IT advisories · Jun 13, 2023
- SSA-508677 SSA-508677: Use of Obsolete Function Vulnerability in SIMATIC WinCC before V8 Siemens ProductCERT · Jun 13, 2023
- WID-SEC-2023-1427 Siemens SIMATIC WinCC: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 12, 2023