{"id":"CVE-2023-21083","details":"In onNullBinding of CallScreeningServiceHelper.java, there is a possible way to record audio without showing a privacy indicator due to a permissions bypass. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-252762941","aliases":["A-252762941","ASB-A-252762941"],"modified":"2026-03-14T12:01:28.808825Z","published":"2023-04-19T20:15:11.303Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2023-04-01"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"11.0"}]},{"events":[{"introduced":"0"},{"last_affected":"12.0"}]},{"events":[{"introduced":"0"},{"last_affected":"12.1"}]},{"events":[{"introduced":"0"},{"last_affected":"13.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-21083.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}