CVE-2025-40797

HIGHCVSS 8.7/10EPSS 0.48%

Last modified

CVE-2025-40797 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

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.

Metrics

Weakness Enumeration

Affected Software

VendorProductVersions
SiemensSimatic Pcs Neo4.1
SiemensSimatic Pcs Neo5.0
SiemensUser Management Component< 2.15.1.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2025-40797?
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.
How severe is CVE-2025-40797?
CVE-2025-40797 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.
How do I fix CVE-2025-40797?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST