CVE-2014-2258

Name of the Vulnerable Software and Affected Versions Siemens SIMATIC S7-1200 CPU PLC devices with firmware prior to 4.0

Description The issue allows remote attackers to cause a denial of service, resulting in the device transitioning to defect mode, followed by a cold restart. This is achieved by sending specially crafted HTTPS packets to the device on TCP port 443.

Recommendations For versions prior to 4.0, update the firmware to version 4.0 or later to resolve the issue.