Siemens SIMATIC Products ANSI C OPC UA SDK Denial of Service Vulnerability

SIMATIC Cloud Connect 7 is an IoT gateway for connecting programmable logic controllers to cloud services and allows field devices with an OPC UA server interface to be connected as OPC UA clients.SIMATIC Drive Controllers are designed for the automation of production machines and combine the functions of a SIMATIC S7- 1500 CPU and SINAMICS S120 Drive Controllers.SIMATIC ET 200SP Open Controller is a PC-based version of the SIMATIC S7-1500 controller that includes optional visualization in combination with central I/O in a compact device.SIMATIC S7-1200 CPU Products Designed for discrete and continuous control in industrial environments such as global manufacturing, food and beverage, and chemicals.SIMATIC S7-1500 CPU products are designed for discrete and continuous control in industrial environments such as global manufacturing, food and beverage, and chemicals.SIMATIC S7-1500 ODK CPUs provide the functionality of standard S7-1500 CPUs , but also offer the possibility to run C/C++ code within the CPU runtime to execute your own functions/algorithms implemented in C/C++. They are designed for discrete and continuous control in industrial environments such as manufacturing, food and beverage, and chemical industries around the world.SIMATIC S7-1500 Software Controller is the SIMATIC software controller for PC-based automation solutions.SIMATIC S7-PLCSIM Advanced Analog S7-1200, S7-1500 and several other PLC derivatives. Includes full network access to the analog PLC, even in virtualized environments. A denial of service vulnerability exists in the Siemens SIMATIC Products ANSI C OPC UA SDK, which can be exploited by an attacker to create a denial of service condition by sending a specially crafted certificate.