Unauthorized Access Vulnerability in SINEMA Remote Connect Server by Siemens

CVE-2025-40818

What is CVE-2025-40818?

A vulnerability has been discovered in the SINEMA Remote Connect Server, where private SSL/TLS keys stored on the server are inadequately protected. This issue allows authenticated users with access to the server to read these sensitive keys. Consequently, this exposure poses risks such as unauthorized impersonation of the server, enabling man-in-the-middle attacks, traffic decryption, and unauthorized access to services relying on those certificates.

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