CVE-2012-3017

Name of the Vulnerable Software and Affected Versions Siemens SIMATIC S7-400 PN CPU devices with firmware 5.x

Description The issue allows remote attackers to cause a denial of service, resulting in a defect-mode transition and service outage. This can be achieved via malformed HTTP traffic or malformed IP packets.

Recommendations For firmware 5.x, apply the necessary configuration changes to restrict malformed HTTP traffic and IP packets to prevent the denial of service. At the moment, there is no information about a newer version that contains a fix for this vulnerability.