A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected application exposes an endpoint that allows an unauthorized modification of administrative credentials. This could allow an unauthenticated attacker to reset the superadmin password and gain full control of the application (ZDI-CAN-26569).

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

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 Network

Attack Complexity Low

Privileges Required None

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 0.00154.

Exploitation none

Automatable yes

Technical Impact total

Affected Vendors & Products

Vendors Products
Siemens
  • Sinec-nms
  • Sinec Nms

Configuration 1 [-]

cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:*

No data.

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Vendors Products
Siemens
  • Sinec-nms
Advisories
Source ID Title
EUVD EUVD EUVD-2025-20433 A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected application exposes an endpoint that allows an unauthorized modification of administrative credentials. This could allow an unauthenticated attacker to reset the superadmin password and gain full control of the application (ZDI-CAN-26569).
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-078892.html cve-icon cve-icon
History

Thu, 21 Aug 2025 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Siemens sinec Nms
CPEs cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:*
Vendors & Products Siemens sinec Nms

Mon, 14 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00074}

 epss

{'score': 0.00097}

Tue, 08 Jul 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 08 Jul 2025 10:45:00 +0000

Type Values Removed Values Added
Description A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected application exposes an endpoint that allows an unauthorized modification of administrative credentials. This could allow an unauthenticated attacker to reset the superadmin password and gain full control of the application (ZDI-CAN-26569).
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: siemens

Published:

Updated: 2025-07-08T16:11:31.654Z

Reserved: 2025-04-16T08:39:30.028Z

Link: CVE-2025-40736

cve-icon Vulnrichment

Updated: 2025-07-08T14:25:40.957Z

cve-icon NVD

Status : Analyzed

Published: 2025-07-08T11:15:29.837

Modified: 2025-08-21T15:10:33.100

Link: CVE-2025-40736

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-13T21:47:09Z