CVE-2012-3016: Siemens SIMATIC s7-400 CPU 412-2 Pn

High severity, CVSS 7.8. EPSS: 3.5% chance of exploitation in the next 30 days.

Siemens SIMATIC S7-400 PN CPU devices with firmware 6 before 6.0.3 allow remote attackers to cause a denial of service (defect-mode transition and service outage) via crafted ICMP packets.

Affected products

• Siemens SIMATIC s7-400 CPU 412-2 Pn
• Siemens SIMATIC s7-400 CPU 414-3 Pn/dp
• Siemens SIMATIC s7-400 CPU 414f-3 Pn/dp
• Siemens SIMATIC s7-400 CPU 416-3 Pn/dp
• Siemens SIMATIC s7-400 CPU 416f-3 Pn/dp
• Siemens SIMATIC s7-400 CPU Firmware: version 6.0.1 only; version 6.0.2 only

Published 2012-07-31. Last modified 2026-06-16.