SSA-838121 V1.3 (Last Update: 2023-04-11): Multiple Denial of Service Vulnerabilities in Industrial Products

Affected SIMATIC firmware contains three vulnerabilities that could allow an unauthenticated attacker to perform a denial of service attack under certain conditions.

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

attack conditions countermeasures denial of service denial of service attack firmware industrial latest products service siemens simatic ssa under update updates vulnerabilities