CVE-2021-46785 : What You Need to Know
Discover the impact of CVE-2021-46785, an improper permission control flaw in HarmonyOS and EMUI by Huawei, allowing access to unique device identifiers. Learn about mitigation steps and patching.
HarmonyOS and EMUI by Huawei have an improper permission control vulnerability leading to the exposure of a device identifier. Learn about the impact, technical details, and mitigation steps.
Understanding CVE-2021-46785
The Property module in HarmonyOS and EMUI is susceptible to an improper permission control flaw, allowing threat actors to access unique device identifiers.
What is CVE-2021-46785?
The vulnerability lies in the Property module's permission control, enabling malicious actors to retrieve the unique device identifier, compromising user privacy and security.
The Impact of CVE-2021-46785
This vulnerability poses a significant risk as it allows unauthorized access to sensitive device information, potentially leading to identity theft, privacy breaches, and exploitation of user data.
Technical Details of CVE-2021-46785
Both HarmonyOS and EMUI are affected versions due to the improper permission control vulnerability.
Vulnerability Description
The flaw in the Property module results in inadequate permission control, enabling attackers to extract the unique device identifier.
Affected Systems and Versions
- Product: HarmonyOS
- Vendor: Huawei
- Version: 2.0
- Product: EMUI
- Vendor: Huawei
- Version: 12.0.0
Exploitation Mechanism
Threat actors can exploit this vulnerability to bypass permission controls and retrieve the unique device identifier, exposing user privacy and security.
Mitigation and Prevention
Taking immediate action and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2021-46785.
Immediate Steps to Take
- Update affected systems to the latest patches provided by Huawei.
- Implement network segmentation to limit the attack surface.
Long-Term Security Practices
- Regularly monitor and audit permissions and access controls.
- Educate users on safe browsing habits and potential security risks.
Patching and Updates
- Stay informed about security bulletins and patches released by Huawei to address this vulnerability.