SSA-434534 V1.1 (Last Update: 2021-09-14): Memory Protection Bypass Vulnerability in SIMATIC S7-1200 and S7-1500 CPU Families

Risk Summary

<p>SIMATIC S7-1200 and S7-1500 CPU products contain a memory protection bypass vulnerability that could allow an attacker to write arbitrary data and code to protected memory areas or read sensitive data to launch further attacks.</p> <p>Siemens has released updates for several affected products and strongly 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)