CVE-2021-39754

Published: Mar 30, 2022Modified: Jun 17, 2026

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

In ContextImpl, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions:Android ID: A-207133709

Affected (1)

Products: Google: Android

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Google Android	Version 12.1

Related CWEs

Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

References (2)

https://source.android.com/security/bulletin/android-12l

Source: security@android.com

Vendor Advisory

https://source.android.com/security/bulletin/android-12l

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

Vendor Advisory

Timeline

No history available yet.