CVE-2021-0321

MEDIUM

Android 11 - Local Information Disclosure via Package Installation Side Channel

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_confirm
https://source.android.com/security/bulletin/2021-01-01

Scores

CVSS v3 5.5
EPSS 0.0015
EPSS Percentile 4.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-203
Status published
Products (1)
google/android 11.0
Published Jan 11, 2021
Tracked Since Feb 18, 2026