CVE-2021-39706: CredentialStorage RESET lacks of a clearer description/permission

platform/packages/apps/Settings Updated 02 Oct 2025

Summary

01/03/2022

Disclosed on

CVE-2021-39706

CVE

Yes i

Fix available

High

Severity

Not published

CVSS Score

CVE-2021-39706: In onResume of CredentialStorage.java, there is a possible way to cleanup content of credentials storage due to a missing permission check. Affects platform/packages/apps/Settings across 4 version ranges.

>= 10:0, < 10:2022-03-01 >= 11:0, < 11:2022-03-01 >= 12:0, < 12:2022-03-01 >= 12L:0, < 12L:2022-03-01

Fixed in 10:2022-03-01. How to fix ↓

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Background

The package under scrutiny is platform/packages/apps/Car/Settings in the Android ecosystem. This package is responsible for managing the settings related to the Car application. It provides a user interface for configuring various car-related features and preferences. The CredentialStorage component within this package is responsible for storing and managing sensitive credentials used by the Car application.

Vulnerability Detail

In the onResume function of CredentialStorage.java, there is a vulnerability that allows unauthorized cleanup of the content of the credentials storage. This vulnerability arises due to a missing permission check. An attacker with local access to the device can exploit this vulnerability to escalate their privileges without requiring any additional execution privileges. However, user interaction is necessary for the exploitation of this vulnerability. If successfully exploited, an attacker could gain unauthorized access to sensitive credentials stored by the Car application, potentially leading to further security breaches or unauthorized actions.

How To Fix

Minimum fixed version

10:2022-03-01

This is the first release that contains the fix.

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Workaround

There is no specific workaround mentioned for this vulnerability. It is recommended to apply the provided fix as soon as possible.

Conclusion

In conclusion, the CredentialStorage component in the platform/packages/apps/Car/Settings package of the Android ecosystem is vulnerable to an escalation of privilege attack. This vulnerability can be exploited by an attacker with local access to the device, leading to unauthorized access to sensitive credentials. It is crucial to apply the provided fix and update the affected package to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for platform/packages/apps/Settings →