CVE-2021-40061 Explained : Impact and Mitigation

This CVE record involves a vulnerability in Huawei products with specific versions that can lead to integrity compromise if exploited.

Understanding CVE-2021-40061

This CVE record identifies a type confusion vulnerability in Huawei's EMUI, Magic UI, and HarmonyOS products.

What is CVE-2021-40061?

CVE-2021-40061 involves a vulnerability in the Bastet module that allows unauthorized access to resources through type confusion.

The Impact of CVE-2021-40061

Exploiting this vulnerability successfully can have severe integrity implications.

Technical Details of CVE-2021-40061

This section delves into the technical aspects of the CVE record.

Vulnerability Description

The vulnerability allows attackers to access resources using an incompatible data type, specifically in the Bastet module.

Affected Systems and Versions

The following Huawei products and versions are affected:

EMUI versions: 12.0.0, 11.0.1, 11.0.0, 10.1.1, 10.1.0
Magic UI versions: 4.0.0, 3.1.1, 3.1.0
HarmonyOS version: 2.0

Exploitation Mechanism

Attackers exploit type confusion in the Bastet module to gain unauthorized access to resources.

Mitigation and Prevention

Below are the steps to mitigate and prevent exploitation of CVE-2021-40061.

Immediate Steps to Take

Upgrade affected Huawei products to the patched versions.
Apply security updates provided by Huawei promptly.

Long-Term Security Practices

Regularly update software and firmware to the latest versions.
Implement network segmentation and access controls within the organization.

Patching and Updates

Huawei has released patches addressing the vulnerability; ensure timely application of these updates.