CVE-2021-46811 Explained : Impact and Mitigation
Discover the impact of CVE-2021-46811, affecting Huawei devices with HarmonyOS, EMUI, and Magic UI. Learn about the vulnerability in HwSEServiceAPP and the necessary mitigation steps.
HwSEServiceAPP has a vulnerability in permission management leading to disclosure of sensitive information.
Understanding CVE-2021-46811
What is CVE-2021-46811?
HwSEServiceAPP in Huawei devices has an improper permission management vulnerability, potentially exposing Card Production Life Cycle (CPLC) data.
The Impact of CVE-2021-46811
Successful exploitation could result in the disclosure of sensitive information, specifically CPLC details.
Technical Details of CVE-2021-46811
Vulnerability Description
The vulnerability exists in HwSEServiceAPP due to inadequate permission management.
Affected Systems and Versions
- HarmonyOS 2.0
- EMUI 10.1.0, 10.1.1, 11.0.0, 12.0.0, 11.0.1
- Magic UI 3.1.0, 3.1.1, 4.0.0
Exploitation Mechanism
Attackers can exploit this vulnerability to access CPLC information on affected Huawei devices.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches from Huawei promptly.
- Regularly monitor for security advisories from the vendor.
Long-Term Security Practices
- Implement the principle of least privilege to restrict app permissions.
- Conduct regular security assessments and audits.
Patching and Updates
- Install security updates and patches released by Huawei to address this vulnerability.