CVE-2025-40566
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductSiemens Simatic Pcs Neo
PublishedMay 13, 2025
First seenMay 13, 2025
Weakness typeCWE-613CWE-613
How to fix
Update
- siemens simatic_pcs_neo4.1, 5.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens simatic_pcs_neo | v < 4.1, v < 5.0, 4.1, 5.0 | 4.1, 5.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.