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SSA-552874 V1.1 (Last Update: 2023-05-09): Denial of Service Vulnerability in SIPROTEC 5 Devices
Siemens ProductCERT Security Advisories cert-portal.siemens.com
Devices of the SIPROTEC 5 family contain a vulnerability related to secure client-initiated renegotiation. This could allow an unauthenticated attacker to cause a denial of service condition for the duration of the attack.
Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens is preparing further updates and recommends specific countermeasures for products where updates are not, or not yet available.
attack attacker client denial of service devices family products secure client service siemens ssa unauthenticated update updates vulnerability