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Vulnerability record · CVE-2026-25656 · published 10 February 2026

CVE-2026-25656: Siemens sinec nms uncontrolled search path element vulnerability

Siemens · Sinec Nms

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)

8.5 CVSS 4.0 High EPSS 0.18% · top 93.0% CWE-427 · Uncontrolled search path element
8.5CVSS 4.0 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cert-portal.siemens.com/productcert/html/ssa-311973.html Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-25656), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.