{"id":"CVE-2021-39796","aliases":["A-205595291","ASB-A-205595291","DEBIAN-CVE-2021-39796","EUVD-2021-26153","GHSA-2527-g53r-vw26","UBUNTU-CVE-2021-39796"],"status":"published","title":"In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick...","description":"In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00171,"percentile":0.06512,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1021"],"published":"2022-04-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/frameworks/base","fixed_in":["10:2022-04-01","11:2022-04-01","12:2022-04-01","12L:2022-04-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10:0"},{"fixed":"10:2022-04-01"}]}],"versions":["10"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2022-04-01"}]}],"versions":["11"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2022-04-01"}]}],"versions":["12"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12L:0"},{"fixed":"12L:2022-04-01"}]}],"versions":["12L"]},{"source":"osv","ecosystem":"Debian:12","package":"android-platform-frameworks-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:10.0.0+r36-10","1:13.0.0+r30-1","1:13.0.0+r30-1~exp1","1:13.0.0+r30-1~exp2","1:13.0.0+r30-1~exp3","1:13.0.0+r30-1~exp4","1:13.0.0+r66-1","1:13.0.0+r66-1~exp1","1:13~beta3-1~exp1","1:14~beta1-1","1:14~beta1-1~exp2","1:14~beta1-1~exp~1","1:14~beta1-2","1:14~beta1-3","1:14~beta1-4","1:14~beta1-4~exp1","1:14~beta1-5"]},{"source":"osv","ecosystem":"Debian:13","package":"android-platform-frameworks-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:14~beta1-3","1:14~beta1-4","1:14~beta1-4~exp1","1:14~beta1-5"]},{"source":"osv","ecosystem":"Debian:14","package":"android-platform-frameworks-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:14~beta1-3","1:14~beta1-4","1:14~beta1-4~exp1","1:14~beta1-5"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"android-platform-frameworks-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["21-2","21-2.1","1:6.0.0+r26-3","1:6.0.1+r16-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"android-platform-frameworks-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:7.0.0+r33-1","1:8.1.0+r23-3~18.04"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"android-platform-frameworks-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:8.1.0+r23-3build1","1:8.1.0+r23-3build2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"android-platform-frameworks-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:10.0.0+r36-3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"android-platform-frameworks-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:13.0.0+r66-1","1:14~beta1-2build2","1:14~beta1-2build3"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2022-04-01","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39796"},{"url":"https://github.com/advisories/GHSA-2527-g53r-vw26"},{"url":"https://android.googlesource.com/platform/frameworks/base/+/e74a2a320bf896bc30618ce486203bafe453c469","tags":["fix","report"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-39796","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-39796","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-39796","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-39796","description":"In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291","status":"published","published":"2022-04-12T16:11:41Z","modified":"2024-08-04T02:20:33.345Z","updated_at":"2026-11-02T14:33:09.864034Z"}],"euvd":[{"id":"EUVD-2021-26153","description":"In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291","status":"published","published":"2022-04-12T16:11:41Z","modified":"2024-08-04T02:20:33Z","updated_at":"2026-11-03T03:24:22.263982Z"}],"ghsa":[{"id":"GHSA-2527-g53r-vw26","title":"In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick...","description":"In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291","status":"published","published":"2022-04-13T00:00:27Z","modified":"2023-01-27T05:01:37Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-1021"],"updated_at":"2026-11-02T14:41:55.795759Z"}],"nvd":[{"id":"CVE-2021-39796","description":"In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291","status":"published","published":"2022-04-12T17:15:08.167Z","modified":"2026-06-17T04:04:10.36Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-1021"],"updated_at":"2026-11-02T14:07:06.029737Z"}],"osv":[{"id":"CVE-2021-39796","description":"In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291","status":"published","published":"2022-04-12T17:15:08.167Z","modified":"2026-03-14T11:07:25.351618Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:20.843843Z"},{"id":"DEBIAN-CVE-2021-39796","description":"In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291","status":"published","published":"2022-04-12T17:15:08.167Z","modified":"2026-10-23T18:03:32.606246364Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:35.521549Z"},{"id":"UBUNTU-CVE-2021-39796","description":"In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291","status":"published","published":"2022-04-12T17:15:00Z","modified":"2026-04-22T12:59:43.208525Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:28.526929Z"},{"id":"ASB-A-205595291","description":"In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app  due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.","status":"published","published":"2022-04-01T00:00:00Z","modified":"2026-11-09T16:40:10.884737887Z","updated_at":"2026-11-10T17:35:05.376141Z"}]}}