CVE-2021-39651 Explained : Impact and Mitigation
Learn about CVE-2021-39651, a vulnerability in Android allowing access to PIN protected settings without confirmation, leading to privilege escalation. Find mitigation steps here.
This CVE-2021-39651 article provides details about a vulnerability in Android that could lead to local escalation of privilege.
Understanding CVE-2021-39651
This section aims to explain the specifics of CVE-2021-39651.
What is CVE-2021-39651?
CVE-2021-39651 is a vulnerability in Android that allows access to PIN protected settings without confirmation, potentially leading to escalation of privilege.
The Impact of CVE-2021-39651
The exploitation of this vulnerability could result in local escalation of privilege without requiring additional execution privileges.
Technical Details of CVE-2021-39651
This section explores the technical aspects of CVE-2021-39651.
Vulnerability Description
The vulnerability enables unauthorized access to PIN protected settings bypassing the confirmation, facilitating an elevation of privilege.
Affected Systems and Versions
- Product: Android
- Versions Affected: Android kernel
Exploitation Mechanism
The missing permission check allows threat actors to bypass PIN confirmation and access the protected settings, leading to privilege escalation.
Mitigation and Prevention
In this section, mitigation strategies for CVE-2021-39651 are outlined.
Immediate Steps to Take
- Regularly monitor security bulletins and updates from Android.
- Apply security patches promptly to address the vulnerability.
Long-Term Security Practices
- Implement least privilege access to limit potential exploit capabilities.
- Conduct regular security assessments to detect and remediate vulnerabilities proactively.
Patching and Updates
- Stay informed about security advisories and updates from Android.
- Apply recommended patches to secure systems against CVE-2021-39651.