What is CVE-2025-40819?

CVE-2025-40819 is a medium-severity vulnerability in Siemens Sinema Remote Connect Server, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2025-12-09.

How severe is CVE-2025-40819?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Siemens Sinema Remote Connect Server

CVE-2025-40819

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.2 SP4). Affected applications do not properly validate license restrictions against the database, allowing direct modification of the system_ticketinfo table to bypass license limitations without proper enforcement checks. This could allow with database access to circumvent licensing restrictions by directly modifying database values and potentially enabling unauthorized use beyond the permitted scope.

Vulnerability class: Broken Access Control

EPSS: 0.002 (13.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Siemens Sinema Remote Connect Server — versions 0
Siemens Sinema_remote_connect_server — versions 3.2

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

productcert@siemens.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-40819?: CVE-2025-40819 is a medium-severity vulnerability in Siemens Sinema Remote Connect Server, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2025-12-09.
How severe is CVE-2025-40819?: Medium severity. CVSS v3 base score is 4.3 out of 10.