CVE-2021-0438

Published: Apr 13, 2021Modified: Jun 17, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

In several functions of InputDispatcher.cpp, WindowManagerService.java, and related files, there is a possible tapjacking attack due to an incorrect FLAG_OBSCURED value. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-152064592

Affected (3)

Products: Google: Android

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Google Android	Version 10.0
Google Android	Version 8.1
Google Android	Version 9.0

Related CWEs

Improper Restriction of Rendered UI Layers or Frames

The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another application or domain, which can lead to user confusion about which interface the user is interacting with.

References (2)

https://source.android.com/security/bulletin/2021-04-01

Source: security@android.com

PatchVendor Advisory

https://source.android.com/security/bulletin/2021-04-01

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.