SSA-431678 (Last Update: 2020-04-14): Denial-of-Service Vulnerability in SIMATIC S7 CPU Families

Published

2020-04-14 00:00:00 UTC

Summary

SIMATIC S7 CPU families are affected by a vulnerability that could allow remote attackers to perform a Denial-of-Service attack by sending a specially crafted HTTP request to the web server of an affected device. Siemens has released updates for several affected products, is working on updates for the remaining affected products and recommends specific countermeasures until fixes are available.