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HIGH · 7.8

CVE-2026-25656

A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP3), User Management Component (UMC) (All versions < V2.15.2.1). The affected application permits improper modification of a conf...

Vulnerability Description

A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP3), 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)

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
SiemensSinec Nms-
SiemensUser Management Component< 2.15.2.1

Related Weaknesses (CWE)

CWE-427

References

FAQ

What is CVE-2026-25656?

CVE-2026-25656 is a vulnerability with a CVSS score of 7.8 (HIGH). A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP3), User Management Component (UMC) (All versions < V2.15.2.1). The affected application permits improper modification of a conf...

How severe is CVE-2026-25656?

CVE-2026-25656 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-25656?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Sinec Nms, Siemens User Management Component.