CVE-2023-28829 Information

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.

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-508677.pdf