CVE-2021-39794

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{"affected": [{"affectedData": [{"product": "Android", "vendor": "n/a", "versions": [{"status": "affected", "version": "Android-11 Android-12 Android-12L"}]}], "source": "security@android.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64", "vulnerable": true}, {"criteria": "cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*", "matchCriteriaId": "F8FB8EE9-FC56-4D5E-AE55-A5967634740C", "vulnerable": true}, {"criteria": "cpe:2.3:o:google:android:12.1:*:*:*:*:*:*:*", "matchCriteriaId": "C64C1583-CDE0-4C1F-BDE6-05643C1BDD72", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In broadcastPortInfo of AdbService.java, there is a possible way for apps to run code as the shell user, if wireless debugging is enabled, due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12LAndroid ID: A-205836329"}, {"lang": "es", "value": "En la funci\u00f3n broadcastPortInfo del archivo AdbService.java, se presenta una posible forma de que las aplicaciones ejecuten c\u00f3digo como el usuario shell, si la depuraci\u00f3n inal\u00e1mbrica est\u00e1 habilitada, debido a una falta de comprobaci\u00f3n de permisos. Esto podr\u00eda conllevar a una escalada local de privilegios sin ser necesarios privilegios de ejecuci\u00f3n adicionales. Es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android, Versiones: Android-11 Android-12 Android-12L, ID de Android: A-205836329"}], "id": "CVE-2021-39794", "lastModified": "2026-06-17T04:04:10.250", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.6, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:H/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 4.9, "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": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-04-12T17:15:08.080", "references": [{"source": "security@android.com", "tags": ["Vendor Advisory"], "url": "https://source.android.com/security/bulletin/2022-04-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://source.android.com/security/bulletin/2022-04-01"}], "sourceIdentifier": "security@android.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-276"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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