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Vulnerabilities

Vulnerability · CVE-2025-40818

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.2 SP4).

Published Dec 9, 2025 · catalog updated Dec 9, 2025 · Siemens SINEMA Remote Connect Server

Last checked Oct 27, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-40818. EPSS is 0.10%. Act only if a listed version of Siemens SINEMA Remote Connect Server is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Low3.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.10%
Remediation
Version ranges on file
Affected products
vendor Siemens SINEMA Remote Connect Server 0 <V3.2 SP4

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Siemens SINEMA Remote Connect Server 0 <V3.2 SP40 <V3.2 SP4

How to fix CVE-2025-40818

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-40818. EPSS is 0.10%. Act only if a listed version of Siemens SINEMA Remote Connect Server is installed.

Which versions are affected?

Compare what you have installed with Siemens SINEMA Remote Connect Server 0 <V3.2 SP4 0 <V3.2 SP4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.10%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 9, 2025 · EUVD

    Detected

    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

  2. Dec 9, 2025 · EUVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2025-40818

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-40818

    30-day exploitation probability 0.10%

    first.org
  • EUVDVulnerability recordEUVD-2025-201925

    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 authenticat

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 27, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 27, 2026
  • FIRST EPSSOct 27, 2026
  • EUVDOct 27, 2026