CVE-2022-20356

HIGH

Android 11-12L - Local Privilege Escalation via ActiveServices Foreground Service Validation

Title source: llm

Description

In shouldAllowFgsWhileInUsePermissionLocked of ActiveServices.java, there is a possible way to start foreground service from background due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12LAndroid ID: A-215003903

References (1)

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

https://source.android.com/security/bulletin/2022-08-01

Scores

CVSS v3 7.8

EPSS 0.0011

EPSS Percentile 1.3%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-20 CWE-269

Status published

Products (3)

google/android 11.0

google/android 12.0

google/android 12.1

Published Aug 10, 2022

Tracked Since Feb 18, 2026