CVE-2026-25656

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

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)

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:siemens:sinec_nms:-:::::::*
	cpe:2.3:a:siemens:user_management_component::::::::

History

12 Feb 2026, 15:25

Type	Values Removed	Values Added
CPE		cpe:2.3:a:siemens:user_management_component:::::::: cpe:2.3:a:siemens:sinec_nms:-:::::::*
First Time		Siemens user Management Component Siemens sinec Nms Siemens
References	~~() https://cert-portal.siemens.com/productcert/html/ssa-311973.html -~~	() https://cert-portal.siemens.com/productcert/html/ssa-311973.html - Vendor Advisory

10 Feb 2026, 10:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-10 10:15

Updated : 2026-02-12 15:25

NVD link : CVE-2026-25656

Mitre link : CVE-2026-25656

CVE.ORG link : CVE-2026-25656

JSON object : View

Products Affected

CWE

CWE-427

Uncontrolled Search Path Element

{"id": "CVE-2026-25656", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}], "cvssMetricV40": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.5, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "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:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-02-10T10:15:59.880", "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-311973.html", "tags": ["Vendor Advisory"], "source": "[email protected]"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-427"}]}], "descriptions": [{"lang": "en", "value": "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.\r\nThis could allow an attacker to load malicious DLLs, potentially leading to arbitrary code execution with SYSTEM privileges.(ZDI-CAN-28108)"}], "lastModified": "2026-02-12T15:25:45.450", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:siemens:sinec_nms:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9FA9CD9F-B0E7-41E4-9383-2F212DDCBBA9"}, {"criteria": "cpe:2.3:a:siemens:user_management_component:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4E1CEBC6-7D60-4929-B802-62C990201D12", "versionEndExcluding": "2.15.2.1"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}