CVE-2021-31841

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{"affected": [{"affectedData": [{"platforms": ["Windows"], "product": "McAfee Agent for Windows", "vendor": "McAfee,LLC", "versions": [{"lessThan": "5.7.4", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "trellixpsirt@trellix.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mcafee:mcafee_agent:*:*:*:*:*:windows:*:*", "matchCriteriaId": "308AEF58-0063-4FF5-A36E-0040F63EB10E", "versionEndExcluding": "5.7.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A DLL sideloading vulnerability in McAfee Agent for Windows prior to 5.7.4 could allow a local user to perform a DLL sideloading attack with an unsigned DLL with a specific name and in a specific location. This would result in the user gaining elevated permissions and the ability to execute arbitrary code as the system user, through not checking the DLL signature."}, {"lang": "es", "value": "Una vulnerabilidad de carga lateral de DLL en McAfee Agent for Windows versiones anteriores a 5.7.4, podr\u00eda permitir a un usuario local llevar a cabo un ataque de carga lateral de DLL con una DLL no firmada con un nombre espec\u00edfico y en una ubicaci\u00f3n concreta. Esto har\u00eda que el usuario obtuviera permisos elevados y la capacidad de ejecutar c\u00f3digo arbitrario como usuario del sistema, al no comprobar la firma de la DLL"}], "id": "CVE-2021-31841", "lastModified": "2026-06-17T03:52:19.853", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 6.0, "source": "trellixpsirt@trellix.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-22T14:15:07.497", "references": [{"source": "trellixpsirt@trellix.com", "tags": ["Broken Link"], "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10369"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10369"}], "sourceIdentifier": "trellixpsirt@trellix.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}, {"lang": "en", "value": "CWE-426"}], "source": "trellixpsirt@trellix.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-347"}, {"lang": "en", "value": "CWE-426"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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