CVE-2025-40566

published 2025-05-13

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…

high 8.7 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 E X CR X IR X AR X MAV X MAC X MAT X MPR X MUI X MVC X MVI X MVA X MSC X MSI X MSA X S X AU X R X V X RE X U X

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.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
siemens	simatic_pcs_neo	< 4.1	4.1
siemens	simatic_pcs_neo	< 5.0	5.0
siemens	simatic_pcs_neo	—	—
siemens	simatic_pcs_neo	—	—
siemens	simatic_pcs_neo_v4.1	< V4.1 Update 3	V4.1 Update 3
siemens	simatic_pcs_neo_v5.0	< V5.0 Update 1	V5.0 Update 1

CWE-613