What is CVE-2025-40830?

CVE-2025-40830 is a medium-severity vulnerability in Siemens Sinec Security Monitor, classified under Improper Authorization. CVSS score: 6.7/10. Published 2025-12-09.

How severe is CVE-2025-40830?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Auth bypass in Siemens Sinec Security Monitor

CVE-2025-40830

A vulnerability has been identified in SINEC Security Monitor (All versions < V4.10.0). The affected application does not have proper authorization checks for the file_transfer feature in ssmctl-client command. This could allow an authenti…

EPSS: 0.000 (2.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Siemens Sinec Security Monitor — versions 0

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

cert-portal.siemens.com/productcert/html/ssa-882673.html

Frequently asked questions

What is CVE-2025-40830?: CVE-2025-40830 is a medium-severity vulnerability in Siemens Sinec Security Monitor, classified under Improper Authorization. CVSS score: 6.7/10. Published 2025-12-09.
How severe is CVE-2025-40830?: Medium severity. CVSS v3 base score is 6.7 out of 10.