CVE-2021-39766

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{"affected": [{"affectedData": [{"product": "Android", "vendor": "n/a", "versions": [{"status": "affected", "version": "Android-12L"}]}], "source": "security@android.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"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 Settings, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-198296421"}, {"lang": "es", "value": "En Settings, se presenta una posible forma de determinar si una aplicaci\u00f3n est\u00e1 instalada, sin permisos de consulta, debido a una divulgaci\u00f3n de informaci\u00f3n por canal lateral. Esto podr\u00eda conllevar a una divulgaci\u00f3n de informaci\u00f3n local sin ser necesarios privilegios de ejecuci\u00f3n adicionales. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android, Versiones: Android-12L, ID de Android: A-198296421"}], "id": "CVE-2021-39766", "lastModified": "2026-06-17T04:04:07.600", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-03-30T16:15:10.123", "references": [{"source": "security@android.com", "tags": ["Vendor Advisory"], "url": "https://source.android.com/security/bulletin/android-12l"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://source.android.com/security/bulletin/android-12l"}], "sourceIdentifier": "security@android.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-203"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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