{"id":"CVE-2023-21328","aliases":["EUVD-2023-25496","GHSA-pj5g-5472-jrcc"],"status":"published","title":"In Package Installer, there is a possible way to determine whether an app is installed, without...","description":"In Package Installer, there is a possible way to determine whether an app is installed, without query permissions, 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.","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":0.00096,"percentile":0.00699,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2023-10-30T16:56:32Z","modified":"2026-06-17T05:32:20Z","products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/docs/security/bulletin/android-14","tags":["x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21328"},{"url":"https://github.com/advisories/GHSA-pj5g-5472-jrcc"}],"sources":{"cve":[{"id":"CVE-2023-21328","description":"In Package Installer, there is a possible way to determine whether an app is installed, without query permissions, 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.","status":"published","published":"2023-10-30T16:56:32.558Z","modified":"2024-09-06T20:02:08.969Z","updated_at":"2026-11-02T14:35:20.368244Z"}],"euvd":[{"id":"EUVD-2023-25496","description":"In Package Installer, there is a possible way to determine whether an app is installed, without query permissions, 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.","status":"published","published":"2023-10-30T16:56:32Z","modified":"2024-09-06T20:02:08Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"none"}],"updated_at":"2026-11-03T00:56:01.134485Z"}],"ghsa":[{"id":"GHSA-pj5g-5472-jrcc","title":"In Package Installer, there is a possible way to determine whether an app is installed, without...","description":"In Package Installer, there is a possible way to determine whether an app is installed, without query permissions, 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.","status":"published","published":"2023-10-30T18:30:24Z","modified":"2023-11-07T03:30:25Z","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-862"],"updated_at":"2026-11-02T14:54:52.133061Z"}],"nvd":[{"id":"CVE-2023-21328","description":"In Package Installer, there is a possible way to determine whether an app is installed, without query permissions, 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.","status":"published","published":"2023-10-30T17:15:49.157Z","modified":"2026-06-17T05:32:20.423Z","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"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:08:40.004465Z"}]}}