What is CVE-2025-40581?

CVE-2025-40581 is a high-severity vulnerability in Siemens Scalance Lpe9403, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 7.1/10. Published 2025-05-13.

How severe is CVE-2025-40581?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Siemens Scalance Lpe9403

CVE-2025-40581

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions with SINEMA Remote Connect Edge Client installed). Affected devices are vulnerable to an authentication bypass. This could allow a non-privileged l…

EPSS: 0.000 (15.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Siemens Scalance Lpe9403 — versions 0

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

cert-portal.siemens.com/productcert/html/ssa-327438.html

Frequently asked questions

What is CVE-2025-40581?: CVE-2025-40581 is a high-severity vulnerability in Siemens Scalance Lpe9403, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 7.1/10. Published 2025-05-13.
How severe is CVE-2025-40581?: High severity. CVSS v3 base score is 7.1 out of 10.