CVE-2021-40004 : Exploit Details and Defense Strategies
Learn about CVE-2021-40004, a vulnerability in HarmonyOS affecting Huawei devices. Find details on impact, affected systems, exploitation, mitigation, and prevention.
This CVE article provides detailed information about a vulnerability in HarmonyOS affecting Huawei devices.
Understanding CVE-2021-40004
This section delves into the specifics of the CVE-2021-40004 vulnerability.
What is CVE-2021-40004?
The cellular module in HarmonyOS has a vulnerability related to permission management. Exploiting this vulnerability successfully could compromise data confidentiality.
The Impact of CVE-2021-40004
The vulnerability could lead to exposure of sensitive information to unauthorized actors.
Technical Details of CVE-2021-40004
This section provides technical details on the CVE-2021-40004 vulnerability.
Vulnerability Description
The vulnerability lies in the cellular module's permission management, posing a risk to data confidentiality.
Affected Systems and Versions
- Affected Product: HarmonyOS
- Vendor: Huawei
- Affected Version: 2.0
Exploitation Mechanism
The vulnerability can be exploited to compromise data confidentiality through unauthorized access.
Mitigation and Prevention
Explore the steps to mitigate and prevent the CVE-2021-40004 vulnerability.
Immediate Steps to Take
- Monitor vendor security bulletins for patches
- Implement necessary access controls
Long-Term Security Practices
- Regularly update HarmonyOS to the latest version
- Conduct security audits and assessments periodically
Patching and Updates
Stay vigilant for security updates from Huawei and apply them promptly to mitigate the risk.