CVE-2021-46742 : Vulnerability Insights and Analysis
Learn about CVE-2021-46742, a vulnerability in HarmonyOS, EMUI, and Magic UI's multi-window module leading to unauthorized data insertion and tampering. Explore its impact, affected versions, and mitigation steps.
A vulnerability in the multi-window module of Huawei's HarmonyOS, EMUI, and Magic UI could lead to unauthorized insertion and tampering of Settings.Secure data, impacting availability.
Understanding CVE-2021-46742
What is CVE-2021-46742?
The CVE-2021-46742 vulnerability involves unauthorized insertion and tampering of data within the multi-window module, potentially affecting availability.
The Impact of CVE-2021-46742
Exploiting this vulnerability could lead to unauthorized access to and alteration of Settings.Secure data, posing risks to system availability.
Technical Details of CVE-2021-46742
Vulnerability Description
The issue lies in a vulnerability within the multi-window module that allows unauthorized insertion and tampering of Settings.Secure data.
Affected Systems and Versions
- HarmonyOS 2.0
- 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 of the vulnerability could result in unauthorized access and modifications to system data.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Huawei promptly.
- Monitor official Huawei security bulletins for updates and recommendations.
Long-Term Security Practices
- Implement strict access controls to prevent unauthorized system access.
- Regularly update and patch systems to address security vulnerabilities.
- Conduct routine security assessments and audits to identify and mitigate potential risks.