CVE-2025-40818 Information disclosure in SINEMA Remote Connect Server
An authenticated attacker can read unprotected private SSL/TLS keys, enabling server impersonation, traffic decryption, or unauthorized access.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-40818?
CVE-2025-40818 is a low-severity vulnerability in Siemens Sinema Remote Connect Server, published on 9 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-732
Which versions are affected by CVE-2025-40818?
It affects 1 product.
Products include Siemens Sinema Remote Connect Server.
How do I fix CVE-2025-40818?
No fix has been published for CVE-2025-40818 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-40818 being exploited?
There is no known exploitation of CVE-2025-40818 in the wild and no public exploit code.
Other vulnerabilities in Siemens Sinema Remote Connect Server
- CVE-2022-32257 Missing authorization in SINEMA Remote Connect Server
- CVE-2019-13918 Auth bypass in SINEMA Remote Connect Server
- CVE-2024-39872 Privilege escalation in SINEMA Remote Connect Server
- CVE-2022-32251 Missing authorization in SINEMA Remote Connect Server
- CVE-2022-32262 Command injection in SINEMA Remote Connect Server
Sources
Also known as GHSA-x5gj-xmj6-c2mc.