A vulnerability has been identified in SINEC NMS (All versions), User Management Component (UMC) (All versions < V2.15.2.1). The affected application permits improper modification of a configuration file by a low-privileged user.
This could allow an attacker to load malicious DLLs, potentially leading to arbitrary code execution with SYSTEM privileges.(ZDI-CAN-28108)

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

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 0.00014.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Siemens SINEC NMS unknown
Version Status Constraints
0 affected < *
Siemens User Management Component (UMC) unknown
Version Status Constraints
0 affected < V2.15.2.1

No data.

No data.

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Advisories

No advisories yet.

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-311973.html cve-icon cve-icon
History

Tue, 10 Feb 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Tue, 10 Feb 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Siemens
Siemens sinec-nms
Siemens user Management Component
Vendors & Products Siemens
Siemens sinec-nms
Siemens user Management Component

Tue, 10 Feb 2026 10:15:00 +0000

Type Values Removed Values Added
Description A vulnerability has been identified in SINEC NMS (All versions), User Management Component (UMC) (All versions < V2.15.2.1). The affected application permits improper modification of a configuration file by a low-privileged user. This could allow an attacker to load malicious DLLs, potentially leading to arbitrary code execution with SYSTEM privileges.(ZDI-CAN-28108)
Weaknesses CWE-427
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: siemens

Published:

Updated: 2026-02-10T15:03:26.326Z

Reserved: 2026-02-04T12:39:06.286Z

Link: CVE-2026-25656

cve-icon Vulnrichment

Updated: 2026-02-10T15:03:04.096Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-10T10:15:59.880

Modified: 2026-02-10T15:22:54.740

Link: CVE-2026-25656

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-10T12:23:29Z

Weaknesses