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CVE-2025-40798

Published: Sep 9, 2025Updated: Jun 9, 2026 Sources: CVE List NVD BDU csafCWE-125
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.5%
Top 62.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-125

Affected Products

SIMATIC PCS neo V4.1Siemens
On-prem
Enterprise Software / collaboration-groupware
SIMATIC PCS neo V5.0Siemens
On-prem
Enterprise Software / collaboration-groupware
SIMATIC PCS neo V6.0Siemens
On-prem
Enterprise Software / collaboration-groupware
User Management Component (UMC)Siemens
On-prem
Enterprise Software / collaboration-groupware
User Management Component (UMC)Siemens AG
On-prem
Enterprise Software / collaboration-groupware
siemenscommercialDEEnterprise Softwareaka siemens ag
siemens agcommercialDEEnterprise Softwareaka siemens
and 3 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/html/ssa-722410.html
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/csaf/ssa-722410.json
cert-portal.siemens.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-254-07.json
raw.githubusercontent.com
and 7 more references View all →

Timeline

Published
Sep 9, 2025
Last Updated
Jun 9, 2026

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