PT-2021-13115 · Google · Android

Published 2021-04-01 · Updated 2021-04-16 · CVE-2021-0438

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Android versions 8.1 through 10

Description: The issue is related to a possible tapjacking attack due to an incorrect FLAG OBSCURED value in several functions of InputDispatcher.cpp, WindowManagerService.java, and related files. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is required for exploitation.

Recommendations: For Android versions 8.1 through 10, update to a version that includes the fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Clickjacking

Weakness Enumeration

CWE-1021

Related Identifiers

ASB-A-152064592

CVE-2021-0438

Affected Products

Android

References · 7

• https://osv.dev/vulnerability/CVE-2021-0438 · Vendor Advisory
• https://source.android.com/security/bulletin/2021-04-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0438 · Security Note
• https://osv.dev/vulnerability/ASB-A-152064592 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/base/+/d49dbebe1acc5788a300cf6772f25c8ab88a1df3 · Note
• https://t.me/cvenotify/13170 · Telegram Post
• https://t.me/cvenotify/13368 · Telegram Post