{"id":"CVE-2021-0302","aliases":["A-155287782","ASB-A-155287782","EUVD-2021-2921","GHSA-hgpj-7pfx-q3m9"],"status":"published","title":"In PackageInstaller, there is a possible tapjacking attack due to an insecure default value. This...","description":"In PackageInstaller, there is a possible tapjacking attack due to an insecure default value. This could lead to local escalation of privilege and permissions with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-155287782","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00736,"percentile":0.54738,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-1021"],"published":"2021-02-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","exploits":[{"source":"pocgithub","id":"ShaikUsaf/packages_apps_PackageInstaller_AOSP10_r33_CVE-2021-0302","title":"ShaikUsaf/packages_apps_PackageInstaller_AOSP10_r33_CVE-2021-0302","date":"2022-05-20","url":"https://github.com/ShaikUsaf/packages_apps_PackageInstaller_AOSP10_r33_CVE-2021-0302"}],"fixes":[{"ecosystem":"Android","package":"platform/packages/apps/PackageInstaller","fixed_in":["8.0:2021-02-01","8.1:2021-02-01","9:2021-02-01","10:2021-02-01","11:2021-02-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/packages/apps/PackageInstaller","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0:0"},{"fixed":"8.0:2021-02-01"}]}],"versions":["8.0"]},{"source":"osv","ecosystem":"Android","package":"platform/packages/apps/PackageInstaller","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.1:0"},{"fixed":"8.1:2021-02-01"}]}],"versions":["8.1"]},{"source":"osv","ecosystem":"Android","package":"platform/packages/apps/PackageInstaller","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9:0"},{"fixed":"9:2021-02-01"}]}],"versions":["9"]},{"source":"osv","ecosystem":"Android","package":"platform/packages/apps/PackageInstaller","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10:0"},{"fixed":"10:2021-02-01"}]}],"versions":["10"]},{"source":"osv","ecosystem":"Android","package":"platform/packages/apps/PackageInstaller","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-02-01"}]}],"versions":["11"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2021-02-01","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0302"},{"url":"https://github.com/advisories/GHSA-hgpj-7pfx-q3m9"},{"url":"https://android.googlesource.com/platform/packages/apps/PackageInstaller/+/8c5b4cd30a77733dd1012725b69d2089f78455ac","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-0302","description":"In PackageInstaller, there is a possible tapjacking attack due to an insecure default value. This could lead to local escalation of privilege and permissions with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-155287782","status":"published","published":"2021-02-10T16:48:35Z","modified":"2024-08-03T15:32:10.557Z","updated_at":"2026-11-02T14:33:10.555814Z"}],"euvd":[{"id":"EUVD-2021-2921","description":"In PackageInstaller, there is a possible tapjacking attack due to an insecure default value. This could lead to local escalation of privilege and permissions with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-155287782","status":"published","published":"2021-02-10T16:48:35Z","modified":"2024-08-03T15:32:10Z","updated_at":"2026-11-03T03:25:17.997367Z"}],"ghsa":[{"id":"GHSA-hgpj-7pfx-q3m9","title":"In PackageInstaller, there is a possible tapjacking attack due to an insecure default value. This...","description":"In PackageInstaller, there is a possible tapjacking attack due to an insecure default value. This could lead to local escalation of privilege and permissions with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-155287782","status":"published","published":"2022-05-24T17:41:43Z","modified":"2023-01-29T05:06:27Z","cwes":["CWE-1021"],"updated_at":"2026-11-02T14:46:01.439998Z"}],"nvd":[{"id":"CVE-2021-0302","description":"In PackageInstaller, there is a possible tapjacking attack due to an insecure default value. This could lead to local escalation of privilege and permissions with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-155287782","status":"published","published":"2021-02-10T17:15:16.927Z","modified":"2026-06-17T03:29:45.393Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-1021"],"updated_at":"2026-11-02T14:06:50.031227Z"}],"osv":[{"id":"ASB-A-155287782","description":"In PackageInstaller, there is a possible tapjacking attack due to an insecure default value. This could lead to local escalation of privilege and permissions with no additional execution privileges needed. User interaction is needed for exploitation.","status":"published","published":"2021-02-01T00:00:00Z","modified":"2026-11-05T16:32:28.703711716Z","updated_at":"2026-11-05T17:55:14.18208Z"}]}}