Siemens has published patches to address a vulnerability in one of its most popular programmable logic controllers, or PLCs – industrial computers used widely in manufacturing and other industries.

Researchers at Claroty’s Team 82 disclosed this week that they discovered CVE-2022-38465 – a critical vulnerability with a CVSS score of 9.3. The issue affects the company’s SIMATIC S7-1200 and S7-1500 PLCs and corresponding versions of the TIA Portal, which facilitates communication between engineering stations, PLCs and other machines.

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