SSA-589272 (Last Update: 2020-04-13): Security vulnerability in SIMATIC S7-400 V6 PN CPUs

2020-04-13 00:00:00 UTC

When receiving specially crafted ICMP network packets, SIMATIC S7-400 V6 PN CPU products may go into defect mode. This could allow attackers to perform a Denial-of-Service attack on the CPUs.

Siemens has released updates for the affected products.