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Monday, May 31, 2021

A New Bug in Siemens PLCs Could Let Hackers Run Malicious Code Remotely

Siemens on Friday shipped firmed updates to address a severe vulnerability in SIMATIC S7-1200 and S7-1500 programmable logic controllers (PLCs) that could be exploited by a malicious actor to remotely gain access to protected areas of the memory and achieve unrestricted and undetected code execution, in what the researchers describe as an attacker’s “holy grail.”
The memory protection bypass
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