SSA-549234 V1.3 (Last Update: 2023-04-11): Denial-of-Service Vulnerability in SIMATIC NET CP Modules

A denial of service vulnerability was identified in different types of Communication Processors. An attacker could exploit this vulnerability causing the device to become un-operational until the device is restarted.

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.

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