Siemens SIMATIC S7-1200 CPUs Denial-of-Service Vulnerability

A denial-of-service vulnerability has been identified in various models of the Siemens SIMATIC S7-1200 CPU family, including SIPLUS variants, prior to version 4.7. The issue arises from the incorrect processing of specially crafted packets sent to port 80/tcp, which can allow an unauthenticated attacker to disrupt the device's operation.

Impact

Exploitation of this vulnerability leads to a denial-of-service condition on the affected device, causing it to become unresponsive or unavailable.

Remediation

Users are advised to update to version 4.7 or later. For more information, visit the Siemens Industry Support page.