CVE-2021-40011 Explained : Impact and Mitigation

A vulnerability in the display module of Huawei's EMUI, Magic UI, and HarmonyOS may allow attackers to impact integrity.

Understanding CVE-2021-40011

This CVE record details an uncontrolled resource consumption vulnerability affecting various versions of Huawei's software.

What is CVE-2021-40011?

The vulnerability resides in the display module of EMUI, Magic UI, and HarmonyOS, potentially leading to integrity compromises upon successful exploitation.

The Impact of CVE-2021-40011

The successful exploitation of this vulnerability can result in a significant impact on the integrity of the affected systems.

Technical Details of CVE-2021-40011

This section covers the technical aspects of the CVE, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

CVE-2021-40011 is classified as an uncontrolled resource consumption vulnerability in the display module.

Affected Systems and Versions

The following versions of Huawei's software are affected:

EMUI: 12.0.0, 11.0.0, 10.1.1, 10.1.0, 10.0.0, 9.1.1, 9.1.0
Magic UI: 4.0.0, 3.1.1, 3.1.0, 3.0.0, 2.1.1
HarmonyOS: 2.0

Exploitation Mechanism

The vulnerability can be exploited through the display module, allowing attackers to cause uncontrolled resource consumption and impact system integrity.

Mitigation and Prevention

It is crucial to take immediate steps and implement long-term security practices to mitigate the risks posed by CVE-2021-40011.

Immediate Steps to Take

Apply security patches provided by Huawei promptly.
Monitor official security bulletins for updates and advisories.

Long-Term Security Practices

Regularly update the software to the latest versions.
Conduct security assessments and audits to identify vulnerabilities proactively.
Implement network and system monitoring tools to detect anomalous behavior.

Patching and Updates

Ensure timely installation of patches released by Huawei to address the CVE-2021-40011 vulnerability.