CVE-2025-40818

Name: CVE-2025-40818
Creator: NVD / NIST
Published: 2025-12-09T16:17:46.04+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 0.09%

Last modified Jun 17, 2026

CVE-2025-40818 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. 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. EPSS estimates a 0.09% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

3.3/10

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

EPSS Probability

0.09%

0.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-732

Affected Software

Vendor	Product	Versions	Update
Siemens	Sinema Remote Connect Server	< 3.2	—
Siemens	Sinema Remote Connect Server	3.2	Sp1

References

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

Timeline

Published: Dec 9, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-40818?

How severe is CVE-2025-40818?

CVE-2025-40818 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.09% probability of exploitation in the next 30 days.

How do I fix CVE-2025-40818?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-40818?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST