CVE-2021-46895 : What You Need to Know
Learn about CVE-2021-46895, a critical vulnerability affecting Huawei's HarmonyOS and EMUI. Understand its impact, affected systems, exploitation details, and mitigation steps.
CVE-2021-46895 is a vulnerability found in Huawei's HarmonyOS and EMUI affecting specific versions. The flaw allows for bypassing app lock and device reset through a particular app.
Understanding CVE-2021-46895
What is CVE-2021-46895?
CVE-2021-46895 involves defects in the Multi-Device Task Center's design, enabling an exploited vulnerability to reset the initiating device.
The Impact of CVE-2021-46895
The exploitation of this vulnerability can lead to unauthorized access to applications and possible device resets, posing serious security risks.
Technical Details of CVE-2021-46895
Vulnerability Description
The vulnerability arises from flaws in the design process of the Multi-Device Task Center, permitting bypassing app locks and initiating device resets.
Affected Systems and Versions
- HarmonyOS version 2.0.0
- EMUI version 12.0.0
Exploitation Mechanism
Successful exploitation allows the hopped app to evade app security measures and reset the device initiating the hop.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade HarmonyOS and EMUI to patched versions
- Restrict app permissions to minimize unauthorized access
Long-Term Security Practices
- Regularly update software and firmware
- Implement strong app lock mechanisms and device encryption
Patching and Updates
Apply official patches and updates from Huawei to address the CVE-2021-46895 vulnerability.