What is the severity of CVE-2023-21092?

CVE-2023-21092 has been assigned a moderate severity rating due to the potential for local privilege escalation.

How do I fix CVE-2023-21092?

To mitigate CVE-2023-21092, ensure that your device is updated with the latest security patches provided by Google.

What types of devices are affected by CVE-2023-21092?

CVE-2023-21092 affects Google Android versions 11.0, 12.0, 12.1, and 13.0.

Can CVE-2023-21092 be exploited remotely?

No, CVE-2023-21092 requires local access to exploit due to its nature of privilege escalation.

What are the potential impacts of CVE-2023-21092?

Exploitation of CVE-2023-21092 could allow an attacker to register a BroadcastReceiver with elevated permissions, leading to unauthorized access to sensitive data or system features.

Vulnerability/
CVE-2023-21092

high

7.8

CWE

3/4/2023

19/4/2023

5/2/2025

CVE-2023-21092: Input Validation

First published: Mon Apr 03 2023(Updated: )

In retrieveServiceLocked of ActiveServices.java, there is a possible way to dynamically register a BroadcastReceiver using permissions of System App 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-12L Android-13Android ID: A-242040055

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 severity of CVE-2023-21092?
CVE-2023-21092 has been assigned a moderate severity rating due to the potential for local privilege escalation.
How do I fix CVE-2023-21092?
To mitigate CVE-2023-21092, ensure that your device is updated with the latest security patches provided by Google.
What types of devices are affected by CVE-2023-21092?
CVE-2023-21092 affects Google Android versions 11.0, 12.0, 12.1, and 13.0.
Can CVE-2023-21092 be exploited remotely?
No, CVE-2023-21092 requires local access to exploit due to its nature of privilege escalation.
What are the potential impacts of CVE-2023-21092?
Exploitation of CVE-2023-21092 could allow an attacker to register a BroadcastReceiver with elevated permissions, leading to unauthorized access to sensitive data or system features.

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