CVE-2023-21089

HIGH

Android - Local Privilege Escalation via Foreground Service Retention

Title source: llm
STIX 2.1

Description

In startInstrumentation of ActivityManagerService.java, there is a possible way to keep the foreground service alive while the app is in the background. 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-12L Android-13Android ID: A-237766679

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0009
EPSS Percentile 0.6%
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

Status published
Products (4)
google/android 11.0
google/android 12.0
google/android 12.1
google/android 13.0
Published Apr 19, 2023
Tracked Since Feb 18, 2026