{"id":"CVE-2021-0428","details":"In getSimSerialNumber of TelephonyManager.java, there is a possible way to read a trackable identifier due to a missing permission check. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-173421434","aliases":["A-173421434","ASB-A-173421434"],"modified":"2026-03-14T10:36:42.646007Z","published":"2021-04-13T19:15:12.677Z","references":[{"type":"FIX","url":"https://source.android.com/security/bulletin/2021-09-01"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-0428.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}]}}],"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:N/A:N"}]}