CVE-2021-0522

{"containers": {"cna": {"affected": [{"product": "Android", "vendor": "n/a", "versions": [{"status": "affected", "version": "Android-11 Android-9 Android-10"}]}], "descriptions": [{"lang": "en", "value": "In ConnectionHandler::SdpCb of connection_handler.cc, there is a possible out of bounds read due to a use after free. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-9 Android-10Android ID: A-174182139"}], "problemTypes": [{"descriptions": [{"description": "Information disclosure", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-06-21T16:01:29.000Z", "orgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6", "shortName": "google_android"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://source.android.com/security/bulletin/2021-06-01"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@android.com", "ID": "CVE-2021-0522", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Android", "version": {"version_data": [{"version_value": "Android-11 Android-9 Android-10"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In ConnectionHandler::SdpCb of connection_handler.cc, there is a possible out of bounds read due to a use after free. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-9 Android-10Android ID: A-174182139"}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Information disclosure"}]}]}, "references": {"reference_data": [{"name": "https://source.android.com/security/bulletin/2021-06-01", "refsource": "MISC", "url": "https://source.android.com/security/bulletin/2021-06-01"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T15:40:01.261Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://source.android.com/security/bulletin/2021-06-01"}]}]}, "cveMetadata": {"assignerOrgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6", "assignerShortName": "google_android", "cveId": "CVE-2021-0522", "datePublished": "2021-06-21T16:01:29.000Z", "dateReserved": "2020-11-06T00:00:00.000Z", "dateUpdated": "2024-08-03T15:40:01.261Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "Android", "vendor": "n/a", "versions": [{"status": "affected", "version": "Android-11 Android-9 Android-10"}]}], "source": "security@android.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"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 ConnectionHandler::SdpCb of connection_handler.cc, there is a possible out of bounds read due to a use after free. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-9 Android-10Android ID: A-174182139"}, {"lang": "es", "value": "En la funci\u00f3n ConnectionHandler::SdpCb del archivo connection_handler.cc, se presenta una posible lectura fuera de l\u00edmites debido a un uso de la memoria previamente liberada. Esto podr\u00eda conllevar a una divulgaci\u00f3n de informaci\u00f3n remota sin ser necesarios privilegios de ejecuci\u00f3n adicionales. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android, Versiones: Android-11 Android-9 Android-10, ID de Android: A-174182139"}], "id": "CVE-2021-0522", "lastModified": "2026-06-17T03:30:14.683", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-21T17:15:08.697", "references": [{"source": "security@android.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://source.android.com/security/bulletin/2021-06-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://source.android.com/security/bulletin/2021-06-01"}], "sourceIdentifier": "security@android.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}, {"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}