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CVE-2021-0438 Details

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

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://source.android.com/security/bulletin/2021-04-01	CVE	PatchVendor Advisory
https://source.android.com/security/bulletin/2021-04-01	[email protected]	PatchVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-1021	Improper Restriction of Rendered UI Layers or Frames	[email protected]

Affected Products

Product	Versions
google android	8.1 9.0 10.0
CPE cpe:2.3:o:google:android:8.1:::::::* cpe:2.3:o:google:android:9.0:::::::* cpe:2.3:o:google:android:10.0:::::::* Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jun 28, 2022	CWE Remap	[email protected]
Apr 16, 2021	Initial Analysis	[email protected]