{"id":"CVE-2021-39743","aliases":["EUVD-2021-26100","GHSA-6qvv-6vc8-cq74"],"status":"published","title":"In PackageManager, there is a possible way to update the last usage time of another package due...","description":"In PackageManager, there is a possible way to update the last usage time of another package due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-201534884","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00104,"percentile":0.0102,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862","CWE-863"],"published":"2022-03-30T16:02:07Z","modified":"2026-06-17T04:04:05Z","products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/android-12l","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39743"},{"url":"https://github.com/advisories/GHSA-6qvv-6vc8-cq74"}],"sources":{"cve":[{"id":"CVE-2021-39743","description":"In PackageManager, there is a possible way to update the last usage time of another package due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-201534884","status":"published","published":"2022-03-30T16:02:07Z","modified":"2024-08-04T02:13:38.336Z","updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-26100","description":"In PackageManager, there is a possible way to update the last usage time of another package due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-201534884","status":"published","published":"2022-03-30T16:02:07Z","modified":"2024-08-04T02:13:38Z","updated_at":"2026-11-03T03:24:22.263982Z"}],"ghsa":[{"id":"GHSA-6qvv-6vc8-cq74","title":"In PackageManager, there is a possible way to update the last usage time of another package due...","description":"In PackageManager, there is a possible way to update the last usage time of another package due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-201534884","status":"published","published":"2022-03-31T00:00:21Z","modified":"2023-01-27T05:01:18Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:41:51.63425Z"}],"nvd":[{"id":"CVE-2021-39743","description":"In PackageManager, there is a possible way to update the last usage time of another package due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-201534884","status":"published","published":"2022-03-30T16:15:09.147Z","modified":"2026-06-17T04:04:05.383Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:07:05.581807Z"}]}}