VDB

CVE-2026-25656

CVE-2026-25656 PUBLISHED CVSS 7.8 HIGH

Reported by siemens · Published February 10, 2026

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)

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
SINEC NMSSiemensV4.0 SP3
User Management Component (UMC)SiemensV2.15.2.1, 2.15.2.1
user_management_componentsiemens2.15.2.1

Risk scores

CVSS 3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersions
SiemensSINEC NMS0
SiemensUser Management Component (UMC)0
SiemensSINEC NMS0
SiemensUser Management Component (UMC)0

Timeline

  • Feb 10, 2026 EPSS Score (30 in total, the first dated here)
  • Feb 10, 2026 CVE Published
  • Feb 10, 2026 PoC Published (4 in total, the first dated here)
  • Mar 17, 2026 Security Advisory (3 in total, the first dated here)
  • Mar 22, 2026 Coalition ESS Score (2 in total, the first dated here)
  • Apr 14, 2026 CVE Updated

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2026-25656
vulnetix vdb fixes CVE-2026-25656

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-25656/fixes/registry"

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References

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