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.

Published: 2025-12-09 Last update: 2025-12-10 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-40818 is rated Low Risk (13.4/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.01%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-40818

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-12-09 — 0.01% —

Full EPSS history (1 record total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-40818

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.3 3.1 LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 1.8 1.4 [email protected]

Weakness enumeration for CVE-2025-40818

Affected software / configurations for CVE-2025-40818

Vendor Product Version Raw CPE
siemens sinema_remote_connect_server < 3.2 cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:*
siemens sinema_remote_connect_server 3.2 cpe:2.3:a:siemens:sinema_remote_connect_server:3.2:sp1:*:*:*:*:*:*
siemens sinema_remote_connect_server 3.2 cpe:2.3:a:siemens:sinema_remote_connect_server:3.2:sp2:*:*:*:*:*:*
siemens sinema_remote_connect_server 3.2 cpe:2.3:a:siemens:sinema_remote_connect_server:3.2:sp3:*:*:*:*:*:*

References for CVE-2025-40818

cvelogic Threat Intelligence