CVE-2021-22336 Explained : Impact and Mitigation

A vulnerability has been identified in Huawei Smartphone that could lead to a denial of security services on rooted devices.

Understanding CVE-2021-22336

This CVE-2021-22336 pertains to an Improper Control of Generation of Code vulnerability affecting EMUI and Magic UI on Huawei devices.

What is CVE-2021-22336?

The CVE-2021-22336 vulnerability involves improper control in the generation of code in Huawei Smartphones. Exploiting this vulnerability successfully might result in the denial of security services on a rooted device.

The Impact of CVE-2021-22336

If exploited, CVE-2021-22336 could compromise the security services on Huawei smartphones, particularly those that have been rooted.

Technical Details of CVE-2021-22336

This section covers the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability lies in improper code generation control within Huawei smartphones, which can be exploited to disrupt security services.

Affected Systems and Versions

EMUI versions 11.0.0, 10.1.1, 10.1.0, and 10.0.0, along with Magic UI versions 4.0.0, 3.1.1, 3.1.0, and 3.0.0, are affected by this vulnerability.

Exploitation Mechanism

By exploiting the vulnerability in code generation, attackers can potentially disrupt security services on rooted Huawei devices.

Mitigation and Prevention

Discover the steps to mitigate and prevent CVE-2021-22336.

Immediate Steps to Take

If you are using a Huawei device with the affected versions, it is recommended to take immediate mitigation steps.

Long-Term Security Practices

Incorporate long-term security practices to safeguard your Huawei device against vulnerabilities like CVE-2021-22336.

Patching and Updates

Ensure your Huawei device is updated with the latest patches and security updates to protect against CVE-2021-22336.