Siemens SIMATIC CN 4100 Denial-of-Service Vulnerability

A denial-of-service vulnerability has been identified in Siemens SIMATIC CN 4100, all versions prior to 5.0. The issue arises from the application's inability to manage high volumes of TCP SYN packets, leading to resource exhaustion. This overload can cause the service to become unavailable by overwhelming system resources.

Impact

Exploitation of this vulnerability can lead to denial-of-service conditions, causing the application to become unresponsive or unavailable.

Remediation

Users are advised to update to version 5.0 or later. Additional information can be found on the Siemens Support page.