{ "id": "CVE-2021-23906", "sourceIdentifier": "cve@mitre.org", "published": "2021-05-13T19:15:07.753", "lastModified": "2021-05-25T13:49:33.297", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "An issue was discovered in the Headunit NTG6 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021. A Message Length is not checked in the HiQnet Protocol, leading to remote code execution." }, { "lang": "es", "value": "Se detect\u00f3 un problema en la unidad principal NTG6 del sistema de infoentretenimiento MBUX en los veh\u00edculos Mercedes-Benz hasta 2021. No se comprueba la longitud de un mensaje en el protocolo HiQnet, lo que lleva a la ejecuci\u00f3n remota de c\u00f3digo" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "PHYSICAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 0.9, "impactScore": 5.9 }, { "source": "cve@mitre.org", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N", "attackVector": "PHYSICAL", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 1.8, "baseSeverity": "LOW" }, "exploitabilityScore": 0.4, "impactScore": 1.4 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1 }, "baseSeverity": "LOW", "exploitabilityScore": 3.9, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-20" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:mercedes-benz:mercedes-benz_user_experience:*:*:*:*:*:*:*:*", "versionEndIncluding": "2021", "matchCriteriaId": "D5F4C437-A793-4B21-9C39-69DF10CA823D" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:mercedes-benz:a_220:-:*:*:*:*:*:*:*", "matchCriteriaId": "00C6FB3F-99E8-4F72-8B40-93AB5244D3A3" }, { "vulnerable": false, "criteria": "cpe:2.3:h:mercedes-benz:a_220_4matic:-:*:*:*:*:*:*:*", "matchCriteriaId": "6AE91DA7-054C-43D0-9E4D-6385375A5739" }, { "vulnerable": false, "criteria": "cpe:2.3:h:mercedes-benz:e_350:-:*:*:*:*:*:*:*", "matchCriteriaId": "D7F9C8E2-57A0-4D2D-8211-33104006B92B" }, { "vulnerable": false, "criteria": "cpe:2.3:h:mercedes-benz:e_350_4matic:-:*:*:*:*:*:*:*", "matchCriteriaId": "8EC39015-8D7D-4B64-9EBF-C51576DC97A9" }, { "vulnerable": false, "criteria": "cpe:2.3:h:mercedes-benz:eqc:-:*:*:*:*:*:*:*", "matchCriteriaId": "435101DE-3319-4633-8FCC-03CC247F091D" }, { "vulnerable": false, "criteria": "cpe:2.3:h:mercedes-benz:gle_350:-:*:*:*:*:*:*:*", "matchCriteriaId": "12F309D8-C0F6-46A3-9B9E-B3C62EAF0230" }, { "vulnerable": false, "criteria": "cpe:2.3:h:mercedes-benz:gle_350_4matic:-:*:*:*:*:*:*:*", "matchCriteriaId": "53E65192-1977-44E6-AF77-370CAB4AC3BB" } ] } ] } ], "references": [ { "url": "https://keenlab.tencent.com/en/2021/05/12/Tencent-Security-Keen-Lab-Experimental-Security-Assessment-on-Mercedes-Benz-Cars/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://keenlab.tencent.com/en/whitepapers/Mercedes_Benz_Security_Research_Report_Final.pdf", "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ] }, { "url": "https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }