CVE-2025-40566 — Insufficient Session Expiration in Siemens Simatic PCS NEO V4.1

CWE-613 — Insufficient Session Expiration3 documents3 sources
Severity
8.7HIGHNVD
EPSS
0.2%
top 57.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Siemens Simatic PCS NEO V4.1Siemens Simatic PCS NEO V5.0Siemens Simatic PCS NEO
Timeline
PublishedMay 13

Description

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 a remote unauthenticated attacker, who has obtained the session token by other means, to re-use a legitimate user's session even after logout.

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Packages3 packages

▶CVEListV5siemens/simatic_pcs_neo_v4.1< V4.1 Update 3
▶CVEListV5siemens/simatic_pcs_neo_v5.0< V5.0 Update 1

🔴Vulnerability Details

2
CVEList
CVE-2025-40566: A vulnerability has been identified in SIMATIC PCS neo V4↗2025-05-13
▶
GHSA
GHSA-wmm5-59wm-x34p: A vulnerability has been identified in SIMATIC PCS neo V4↗2025-05-13
▶
CVE-2025-40566 — Insufficient Session Expiration | cvebase