The vulnerability in the implementation of the RPC (Remote Procedure Call) protocol of Siemens’ process control systems such as SIMATIC PCS 7, OpenPCS 7, and Siemens’ SCADA system SIMATIC WinCC allows a attacker to trigger maintenance failures.

The vulnerability of the RPC Remote Procedure Call protocol implementation in Siemens SIMATIC PCS 7, OpenPCS 7, and SCADA systems like SIMATIC WinCC is related to errors in pointer assignment. Exploiting this vulnerability can allow an attacker to cause service interruptions remotely...