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CVE-2025-40798

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 (...

Published: Sep 9, 2025Updated: Jun 9, 2026 Sources: CVE List NVD BDU csafCWE-125
7.5HIGH
NVD MITRE
EPSS Score
0.5%
Top 61.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

Siemens' User Management Component (UMC) is affected by multiple vulnerabilities that could allow an unauthenticated remote attacker to execute arbitrary code or to cause a denial of service condition. Siemens has released a new version for User Management Component (UMC) and recommends to update to the latest version. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.

No summary for this CVE yet.

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
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Weaknesses

CWE-125

Affected Products

Siemens AG
commercial·DEaka siemens
User Management Component (UMC)
ICS / OT / IoT
SIMATIC PCS neo
ICS / OT / IoT
user management component
ICS / OT / IoT
SIMATIC PCS neo V4.1
ICS / OT / IoT
SIMATIC PCS neo V5.0
ICS / OT / IoT
SIMATIC PCS neo V6.0
ICS / OT / IoT
and 2 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/csaf/ssa-722410.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-722410.html
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 15 more references View all →

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