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Siemens will stop updating ICS security advisories for product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, refer to Siemens ProductCERT Security Advisories.
If you require more details, you can also consult the Siemens CSAF.
Successful exploitation of the vulnerability could allow an unauthenticated attacker to bypass authentication and impersonate a legitimate user on Siemens industrial edge devices.
Siemens has identified specific solutions to reduce the risk of exploitation of this vulnerability, including version updates and restricting access to trusted networks.
For more information on Siemens industrial security recommendations, visit their industrial security webpage. CISA also recommends defensive measures to minimize the risk of exploitation of this vulnerability and provides recommended security practices for industrial control systems on its website.
No known public exploitation specifically targeting this vulnerability has been reported at this time.
Initial publication date of Siemens SSA-634640: April 10, 2025.
