CVE-2023-21354

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-30 · updated 2026-06-17
Weakness: CWE-203

Description

In Package Manager Service, 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.

Affected products

Android: 14.0

References

https://source.android.com/docs/security/bulletin/android-14
https://source.android.com/docs/security/bulletin/android-14

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