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CVE-2025-40797

HIGH
7.5
CVSS Score
Published: September 9, 2025 at 08:48 AM UTC
Updated: October 23, 2026 at 10:10 PM UTC
2 products affected across 1 vendorSIMATIC PCS neoUser Management Component

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Severity
HIGH7.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SIMATIC PCS neo· Siemens
95%
4.15.0
Affected range stops below V6.0 SP1 Update 1, so it looks safe — our inference, not a vendor statement
User Management Component· Siemens
95%
All versionsv < 2.15.1.3
Affected range stops below 2.15.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below V2.15.1.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/html/ssa-722410.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHsiemens
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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