CVE-2025-40818

Description

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.2 SP4). Affected applications contain private SSL/TLS keys on the server that are not properly protected allowing any user with server access to read these keys. This could allow an authenticated attacker to impersonate the server potentially enabling man-in-the-middle, traffic decryption or unauthorized access to services that trust these certificates.

CVSS v3.1 Score

3.3

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-732 CWE-732

Affected Products

Vendor	Product	Versions
siemens	sinema_remote_connect_server	< 3.2
siemens	sinema_remote_connect_server	All
siemens	sinema_remote_connect_server	All
siemens	sinema_remote_connect_server	All

References

Advisories & Patches

https://cert-portal.siemens.com/productcert/html/ssa-626856.html

Frequently Asked Questions

What is CVE-2025-40818? +

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.2 SP4). Affected applications contain private SSL/TLS keys on the server that are not properly protected allowing any user with server access to read these keys. This could allow an authenticated attacker to impersonate the server potentially enabling man-in-the-middle, traffic decryption or unauthorized access to services that trust these certificates. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2025-40818? +

CVE-2025-40818 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-40818? +

CVE-2025-40818 affects products from siemens, specifically: sinema_remote_connect_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-40818? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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