CVE-2025-40798
High
Description
A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SIMATIC PCS neo V6.0 (All versions < V6.0 SP1 Update 1), User Management Component (UMC) (All versions < V2.15.1.3). Affected products contain a out-of-bounds read vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to cause a denial of service condition.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSiemens Simatic Pcs Neo
PublishedSep 9, 2025
First seenSep 9, 2025
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- siemens user_management_component2.15.1.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens simatic_pcs_neo | 4.1, 5.0 | — |
| siemens user_management_component | v < 2.15.1.3 | 2.15.1.3 |
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.