CVE-2021-40044 : Exploit Details and Defense Strategies

Bluetooth module permission verification vulnerability in EMUI and Magic UI by Huawei.

Understanding CVE-2021-40044

This CVE involves a permission verification vulnerability in the Bluetooth module of Huawei's EMUI and Magic UI.

What is CVE-2021-40044?

Vulnerability in Bluetooth module's permission verification
Exploitation can lead to unauthorized operations

The Impact of CVE-2021-40044

Unauthorized access to device functionality
Potential for malicious operations

Technical Details of CVE-2021-40044

A permission verification vulnerability exists in the Bluetooth module of Huawei's EMUI and Magic UI.

Vulnerability Description

Vulnerability in Bluetooth module's permission verification process
Exploitation allows for unauthorized operations

Affected Systems and Versions

EMUI 12.0.0, 11.0.1, 11.0.0, 10.1.1, 10.1.0
Magic UI 4.0.0, 3.1.1, 3.1.0

Exploitation Mechanism

Successful exploitation can occur through malicious Bluetooth signals

Mitigation and Prevention

Immediate action and long-term security practices for CVE-2021-40044.

Immediate Steps to Take

Apply provided patches or updates
Disable Bluetooth when not in use

Long-Term Security Practices

Regularly update system and applications
Monitor for unusual Bluetooth activity
Implement network segmentation

Patching and Updates

Huawei may release updates or patches to address the vulnerability