CVE-2021-0321

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-01-11 · updated 2026-06-17
Weakness: CWE-203

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 products

Android: 11.0

References

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

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