SSA-431678 V1.4 (Last Update: 2023-01-10): Denial of Service Vulnerability in SIMATIC S7 CPU Families

Risk Summary

<p>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.</p> <p>Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where updates are not, or not yet available.</p>

Remediations

• Refer to Siemens ProductCERT advisory for patch and remediation guidance.

Affected Vendors

Affected Products (1)