CVE-2026-25655

A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP2). 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 administrative privilege.(ZDI-CAN-28107)

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

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:sinec_nms:4.0:-::::::
	cpe:2.3:a:siemens:sinec_nms:4.0:sp1::::::

History

17 Jun 2026, 10:25

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad ha sido identificada en SINEC NMS (Todas las versiones < V4.0 SP2). La aplicación afectada permite la modificación indebida de un archivo de configuración por un usuario de bajo privilegio. Esto podría permitir a un atacante cargar DLLs maliciosas, lo que podría llevar a la ejecución de código arbitrario con privilegios administrativos. (ZDI-CAN-28107)

12 Feb 2026, 15:27

Type	Values Removed	Values Added
First Time		Siemens sinec Nms Siemens
CPE		cpe:2.3:a:siemens:sinec_nms:4.0:sp1:::::: cpe:2.3:a:siemens:sinec_nms:::::::: cpe:2.3:a:siemens:sinec_nms:4.0:-::::::
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 : 2026-06-17 10:25

NVD link : CVE-2026-25655

Mitre link : CVE-2026-25655

CVE.ORG link : CVE-2026-25655

JSON object : View

Products Affected

siemens

sinec_nms

CWE

CWE-427

Uncontrolled Search Path Element

{"id": "CVE-2026-25655", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-25655", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-02-10T15:04:14.582385Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "productcert@siemens.com", "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": "productcert@siemens.com", "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"}}]}, "affected": [{"source": "productcert@siemens.com", "affectedData": [{"vendor": "Siemens", "product": "SINEC NMS", "versions": [{"status": "affected", "version": "0", "lessThan": "V4.0 SP2", "versionType": "custom"}], "defaultStatus": "unknown"}]}], "published": "2026-02-10T10:15:59.700", "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-311973.html", "tags": ["Vendor Advisory"], "source": "productcert@siemens.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "productcert@siemens.com", "description": [{"lang": "en", "value": "CWE-427"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP2). 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 administrative privilege.(ZDI-CAN-28107)"}, {"lang": "es", "value": "Una vulnerabilidad ha sido identificada en SINEC NMS (Todas las versiones < V4.0 SP2). La aplicaci\u00f3n afectada permite la modificaci\u00f3n indebida de un archivo de configuraci\u00f3n por un usuario de bajo privilegio. Esto podr\u00eda permitir a un atacante cargar DLLs maliciosas, lo que podr\u00eda llevar a la ejecuci\u00f3n de c\u00f3digo arbitrario con privilegios administrativos. (ZDI-CAN-28107)"}], "lastModified": "2026-06-17T10:25:01.400", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7B9143A8-0ED9-467A-9138-2D2CCB9ADC84", "versionEndExcluding": "4.0"}, {"criteria": "cpe:2.3:a:siemens:sinec_nms:4.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2767CF34-75A7-449A-AD39-B7BF58A2EF60"}, {"criteria": "cpe:2.3:a:siemens:sinec_nms:4.0:sp1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AF775FB0-A9C1-4305-9063-5FC97E081758"}], "operator": "OR"}]}], "sourceIdentifier": "productcert@siemens.com"}