CVE-2021-0321

Published: Jan 11, 2021Modified: 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 enforceDumpPermissionForPackage of ActivityManagerService.java, there is a possible way to determine if a package is installed 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: Android; Versions: Android-11; Android ID: A-166667403.

Affected (1)

Products: Google: Android

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Google Android	Version 11.0

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/2021-01-01

Source: security@android.com

PatchVendor Advisory

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

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

PatchVendor Advisory

Timeline

No history available yet.