A vulnerability classified as critical was found in Siemens SIMATIC S7-200 SMART CPU CR40, SIMATIC S7-200 SMART CPU CR60, SIMATIC S7-200 SMART CPU SR20, SIMATIC S7-200 SMART CPU SR30, SIMATIC S7-200 SMART CPU SR40, SIMATIC S7-200 SMART CPU SR60, SIMATIC S7-200 SMART CPU ST20, SIMATIC S7-200 SMART CPU ST30, SIMATIC S7-200 SMART CPU ST40 and SIMATIC S7-200 SMART CPU ST60. This vulnerability affects unknown code of the component TCP Packet Handler. The manipulation leads to resource consumption.

This vulnerability was named CVE-2024-43647. The attack can be initiated remotely. There is no exploit available.