CVE-2021-0319

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{"affected": [{"affectedData": [{"product": "Android", "vendor": "n/a", "versions": [{"status": "affected", "version": "Android-8.0"}, {"status": "affected", "version": "Android-8.1"}, {"status": "affected", "version": "Android-9"}, {"status": "affected", "version": "Android-10"}, {"status": "affected", "version": "Android-11"}]}], "source": "security@android.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "B578E383-0D77-4AC7-9C81-3F0B8C18E033", "vulnerable": true}, {"criteria": "cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*", "matchCriteriaId": "B06BE74B-83F4-41A3-8AD3-2E6248F7B0B2", "vulnerable": true}, {"criteria": "cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "8DFAAD08-36DA-4C95-8200-C29FE5B6B854", "vulnerable": true}, {"criteria": "cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "D558D965-FA70-4822-A770-419E73BA9ED3", "vulnerable": true}, {"criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In checkCallerIsSystemOr of CompanionDeviceManagerService.java, there is a possible way to get a nearby Bluetooth device's MAC address without appropriate permissions due to a permissions bypass. This could lead to local escalation of privilege that grants access to nearby MAC addresses, with User execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-167244818."}, {"lang": "es", "value": "En la funci\u00f3n checkCallerIsSystemOr del archivo CompanionDeviceManagerService.java, existe una posible manera de obtener la direcci\u00f3n MAC de un dispositivo Bluetooth cercano sin los permisos apropiados debido a una omisi\u00f3n de permisos. Esto podr\u00eda conllevar a una escalada de privilegios local que otorgue acceso a direcciones MAC cercanas, con privilegios de ejecuci\u00f3n User necesarios. Es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android; Versiones: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; ID de Android: A-167244818"}], "id": "CVE-2021-0319", "lastModified": "2026-06-17T03:29:47.110", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"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": "2021-01-11T22:15:13.643", "references": [{"source": "security@android.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://source.android.com/security/bulletin/2021-01-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://source.android.com/security/bulletin/2021-01-01"}], "sourceIdentifier": "security@android.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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