CVE-2021-39796

Publication date 12 April 2022

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

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

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
android-platform-frameworks-base	24.10 oracular	Ignored
	24.04 LTS noble	Ignored
	23.10 mantic	Ignored end of life, was needs-triage
	23.04 lunar	Ignored end of life, was needs-triage
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Ignored
	21.10 impish	Ignored end of life
	20.04 LTS focal	Ignored
	18.04 LTS bionic	Ignored
	16.04 LTS xenial	Ignored
	14.04 LTS trusty	Ignored end of standard support

Notes

mdeslaur

We do not support security updates for Android components, marking as ignored.

Severity score breakdown

Parameter	Value
Base score	7.3 · High
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H