Multiple Siemens Products Null Pointer Dereference Vulnerability

SIMATIC PCS 7 is a centralized control system (DCS) that integrates components such as SIMATIC WinCC, SIMATIC Batch, SIMATIC Route control, OpenPCS 7, etc. SIMATIC WinCC is a Supervisory Control and Data Acquisition (SCADA) system.SIMATIC WinCC Runtime Professional is a visual runtime platform for operator control and monitoring of machines and plants. A null pointer dereference vulnerability exists in multiple Siemens products and can be exploited by an attacker to cause a denial of service condition in an RPC server.