What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2023-21089.

What is the severity of CVE-2023-21089?

The severity of CVE-2023-21089 is high (7.8).

What versions of Google Android are affected by CVE-2023-21089?

Google Android versions 11.0, 12.0, 12.1, and 13.0 are affected by CVE-2023-21089.

How can I fix CVE-2023-21089?

To fix CVE-2023-21089, it is recommended to apply the security patches provided by Google for the affected versions of Android.

Vulnerability/
CVE-2023-21089

high

7.8

3/4/2023

19/4/2023

5/2/2025

CVE-2023-21089

First published: Mon Apr 03 2023(Updated: )

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

Credit: security@android.com

Affected Software	Affected Version	How to fix
Android
Android	=11.0
Android	=12.0
Android	=12.1
Android	=13.0

Remedy

https://source.android.com/security/bulletin/2023-04-01

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Reference Links

Frequently Asked Questions

What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2023-21089.
What is the severity of CVE-2023-21089?
The severity of CVE-2023-21089 is high (7.8).
How can this vulnerability be exploited?
This vulnerability can be exploited by keeping the foreground service alive while the app is in the background, leading to local escalation of privilege.
What versions of Google Android are affected by CVE-2023-21089?
Google Android versions 11.0, 12.0, 12.1, and 13.0 are affected by CVE-2023-21089.
How can I fix CVE-2023-21089?
To fix CVE-2023-21089, it is recommended to apply the security patches provided by Google for the affected versions of Android.

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