Unauthorized Access Vulnerability in SINEMA Remote Connect Server by Siemens
CVE-2025-40818

3.3LOW

Key Information:

Vendor

Siemens
Status
Sinema Remote Connect Server
Vendor
CVE Published:
9 December 2025

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.

Affected Version(s)

SINEMA Remote Connect Server 0

References

https://cert-portal.siemens.com/productcert/html/ssa-6268...

CVSS V3.1

Score:
3.3
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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