{ "id": "CVE-2021-33436", "sourceIdentifier": "cve@mitre.org", "published": "2022-04-28T11:15:07.720", "lastModified": "2022-05-07T02:15:43.643", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "NoMachine for Windows prior to version 6.15.1 and 7.5.2 suffer from local privilege escalation due to the lack of safe DLL loading. This vulnerability allows local non-privileged users to perform DLL Hijacking via any writable directory listed under the system path and ultimately execute code as NT AUTHORITY\\SYSTEM." }, { "lang": "es", "value": "NoMachine para Windows versiones anteriores a 6.15.1 y 7.5.2, sufre una escalada de privilegios local debido a una falta de carga segura de DLL. Esta vulnerabilidad permite a usuarios locales no privilegiado llevar a cabo el secuestro de DLL por medio de cualquier directorio con capacidad de escritura que aparezca en la ruta del sistema y, en \u00faltima instancia, ejecutar c\u00f3digo como NT AUTHORITY\\SYSTEM" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.3, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:H/Au:N/C:C/I:C/A:C", "accessVector": "LOCAL", "accessComplexity": "HIGH", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 6.2 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 1.9, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:nomachine:nomachine:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0.0", "versionEndExcluding": "6.15.1", "matchCriteriaId": "5C6FE557-12B7-4642-ABD0-978B01D9C743" }, { "vulnerable": true, "criteria": "cpe:2.3:a:nomachine:nomachine:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0", "versionEndExcluding": "7.5.2", "matchCriteriaId": "CF00DA48-D05E-482B-96DD-CB6384ED5537" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA" } ] } ] } ], "references": [ { "url": "https://github.com/active-labs/Advisories/blob/master/2021/ACTIVE-2021-001.md", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://knowledgebase.nomachine.com/SU05S00223", "source": "cve@mitre.org", "tags": [ "Release Notes", "Vendor Advisory" ] }, { "url": "https://knowledgebase.nomachine.com/SU05S00224", "source": "cve@mitre.org", "tags": [ "Release Notes", "Vendor Advisory" ] }, { "url": "https://knowledgebase.nomachine.com/TR05S10236", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] } ] }