CVE-2021-40024 : Exploit Details and Defense Strategies
Learn about CVE-2021-40024, an information disclosure vulnerability affecting HarmonyOS and EMUI versions. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
HarmonyOS and EMUI by Huawei are impacted by an information disclosure vulnerability related to WLAN module interfaces.
Understanding CVE-2021-40024
This CVE affects HarmonyOS version 2.0, HarmonyOS version 2.1, and EMUI version 12.0.0.
What is CVE-2021-40024?
The vulnerability involves an information disclosure issue in the WLAN module interfaces, potentially leading to data confidentiality breaches upon exploitation.
The Impact of CVE-2021-40024
Exploitation of this vulnerability can result in the compromise of data confidentiality.
Technical Details of CVE-2021-40024
The following details provide insight into the technical aspects of this vulnerability.
Vulnerability Description
The vulnerability stems from the implementation of WLAN module interfaces, allowing unauthorized access to sensitive information.
Affected Systems and Versions
- HarmonyOS 2.0
- HarmonyOS 2.1
- EMUI 12.0.0
Exploitation Mechanism
Successful exploitation of this vulnerability could lead to information leakage, compromising data confidentiality.
Mitigation and Prevention
Understanding how to mitigate and prevent the impacts of CVE-2021-40024 is crucial.
Immediate Steps to Take
- Update HarmonyOS and EMUI to the latest versions available from Huawei.
- Implement network segmentation to limit exposure to potential attacks.
- Monitor network traffic to detect any unauthorized access attempts.
Long-Term Security Practices
- Regularly conduct security audits and vulnerability assessments.
- Educate users on best practices for data protection and privacy.
- Engage in threat intelligence sharing to stay informed about emerging threats.
Patching and Updates
- Huawei may release security patches to address this vulnerability, so ensure timely installation of updates.