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), 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

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00116.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Siemens
  • Simatic
  • Simatic Pcs Neo
  • User Management Component

Configuration 1 [-]

OR cpe:2.3:a:siemens:simatic_pcs_neo:4.1:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_pcs_neo:5.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:user_management_component:*:*:*:*:*:*:*:*

No data.

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Vendors Products
Siemens
  • Simatic
  • Simatic Pcs Neo
Advisories
Source ID Title
EUVD EUVD EUVD-2025-27237 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.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://cert-portal.siemens.com/productcert/html/ssa-722410.html cve-icon cve-icon
History

Tue, 14 Oct 2025 09:30:00 +0000

Type Values Removed Values Added
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. 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), 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.

Fri, 03 Oct 2025 19:45:00 +0000

Type Values Removed Values Added
First Time appeared Siemens user Management Component
CPEs cpe:2.3:a:siemens:simatic_pcs_neo:4.1:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_pcs_neo:5.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:user_management_component:*:*:*:*:*:*:*:*
Vendors & Products Siemens user Management Component

Tue, 09 Sep 2025 23:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 09 Sep 2025 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Siemens
Siemens simatic
Siemens simatic Pcs Neo
Vendors & Products Siemens
Siemens simatic
Siemens simatic Pcs Neo

Tue, 09 Sep 2025 09:00:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: siemens

Published:

Updated: 2025-10-14T09:15:26.323Z

Reserved: 2025-04-16T08:50:26.973Z

Link: CVE-2025-40798

cve-icon Vulnrichment

Updated: 2025-09-09T19:34:05.792Z

cve-icon NVD

Status : Modified

Published: 2025-09-09T09:15:38.160

Modified: 2025-10-14T10:15:39.447

Link: CVE-2025-40798

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-09-09T21:31:33Z