Vulnerability in Siemens Simatic Pcs Neo V4.1
CVE-2025-40566
A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions < V4.1 Update 3), SIMATIC PCS neo V5.0 (All versions < V5.0 Update 1). Affected products do not correctly invalidate user sessions upon user logout. This could allow…
EPSS: 0.002 (42.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Siemens Simatic Pcs Neo V4.1 — versions 0
- Siemens Simatic Pcs Neo V5.0 — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-40566?
- CVE-2025-40566 is a high-severity vulnerability in Siemens Simatic Pcs Neo V4.1, classified under Insufficient Session Expiration. CVSS score: 8.8/10. Published 2025-05-13.
- How severe is CVE-2025-40566?
- High severity. CVSS v3 base score is 8.8 out of 10.