What is the severity of CVE-2023-21140?

CVE-2023-21140 has been classified as a critical vulnerability due to its potential to allow local escalation of privilege.

How do I fix CVE-2023-21140?

To fix CVE-2023-21140, update your Android device to the latest stable version that contains the security patch addressing this vulnerability.

Who is affected by CVE-2023-21140?

CVE-2023-21140 affects users of Google Android versions 12.0, 12.1, and 13.0.

Can CVE-2023-21140 be exploited remotely?

No, CVE-2023-21140 requires physical access to the device to exploit the vulnerability.

What happens if CVE-2023-21140 is not addressed?

If CVE-2023-21140 is not addressed, an attacker with physical access could potentially bypass factory reset protections and gain unauthorized privileges.

Vulnerability/
CVE-2023-21140

medium

6.8

CWE

862

7/8/2023

14/8/2023

9/10/2024

CVE-2023-21140

First published: Mon Aug 07 2023(Updated: )

In onCreate of ManagePermissionsActivity.java, there is a possible way to bypass factory reset protections due to a missing permission check. This could lead to local escalation of privilege with physical access to a device that's been factory reset with no additional execution privileges needed. User interaction is not needed for exploitation.

Credit: security@android.com security@android.com

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

Remedy

https://android.googlesource.com/platform/packages/modules/Permission/+/0679e4f35055729be7276536fe45fe8ec18a0453

Remedy

https://source.android.com/security/bulletin/2023-08-01

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2023-21140?
CVE-2023-21140 has been classified as a critical vulnerability due to its potential to allow local escalation of privilege.
How do I fix CVE-2023-21140?
To fix CVE-2023-21140, update your Android device to the latest stable version that contains the security patch addressing this vulnerability.
Who is affected by CVE-2023-21140?
CVE-2023-21140 affects users of Google Android versions 12.0, 12.1, and 13.0.
Can CVE-2023-21140 be exploited remotely?
No, CVE-2023-21140 requires physical access to the device to exploit the vulnerability.
What happens if CVE-2023-21140 is not addressed?
If CVE-2023-21140 is not addressed, an attacker with physical access could potentially bypass factory reset protections and gain unauthorized privileges.

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agent/event
collector/android-source
source/Android
agent/software-canonical-lookup
collector/mitre-cve
source/MITRE
collector/nvd-api
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agent/last-modified-date
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version/google android/12.1
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Frequently Asked Questions

What is the severity of CVE-2023-21140?
CVE-2023-21140 has been classified as a critical vulnerability due to its potential to allow local escalation of privilege.
How do I fix CVE-2023-21140?
To fix CVE-2023-21140, update your Android device to the latest stable version that contains the security patch addressing this vulnerability.
Who is affected by CVE-2023-21140?
CVE-2023-21140 affects users of Google Android versions 12.0, 12.1, and 13.0.
Can CVE-2023-21140 be exploited remotely?
No, CVE-2023-21140 requires physical access to the device to exploit the vulnerability.
What happens if CVE-2023-21140 is not addressed?
If CVE-2023-21140 is not addressed, an attacker with physical access could potentially bypass factory reset protections and gain unauthorized privileges.