CVE-2021-27901 Explained : Impact and Mitigation
Discover the security flaw in LG mobile devices with Android OS 11 software affecting fingerprint recognition. Learn about the impact, affected systems, and mitigation steps.
An issue was discovered on LG mobile devices with Android OS 11 software where fingerprint recognition mishandles local high beam mode (LHBM) during bright illumination.
Understanding CVE-2021-27901
This CVE describes a vulnerability found in LG mobile devices running Android OS 11 that affects fingerprint recognition capabilities.
What is CVE-2021-27901?
CVE-2021-27901 highlights a flaw in LG devices where the local high beam mode fails to function correctly in well-lit conditions, leading to issues with fingerprint recognition.
The Impact of CVE-2021-27901
The vulnerability could potentially allow unauthorized access to the device by bypassing the fingerprint recognition system, compromising user privacy and security.
Technical Details of CVE-2021-27901
This section covers the specific technical aspects of the CVE.
Vulnerability Description
The vulnerability arises from the improper functioning of the local high beam mode (LHBM) during bright lighting, causing failures in fingerprint recognition on LG devices.
Affected Systems and Versions
LG mobile devices with Android OS 11 software are impacted by this vulnerability.
Exploitation Mechanism
Attackers could exploit this flaw by taking advantage of the fingerprint recognition failure under bright lighting conditions to gain unauthorized access to the device.
Mitigation and Prevention
It is crucial to take immediate action to secure devices and prevent potential exploitation of this vulnerability.
Immediate Steps to Take
Users should avoid using fingerprint recognition in well-lit environments and consider alternative security measures until the issue is resolved.
Long-Term Security Practices
Employing multi-factor authentication and regular security updates can enhance overall device security and mitigate the risks associated with such vulnerabilities.
Patching and Updates
Users are advised to stay informed about security patches released by LG for their devices and promptly apply any updates to address this vulnerability.