CVE-2020-0266 Explained : Impact and Mitigation

An overview of a vulnerability in Android 11 related to factory reset protection bypass leading to privilege escalation.

Understanding CVE-2020-0266

A vulnerability in the factory reset protection feature of Android 11 allows for a possible privilege escalation attack through a missing permission check.

What is CVE-2020-0266?

The CVE-2020-0266 vulnerability in Android 11 involves a flaw in the factory reset protection mechanism that can be exploited to bypass security checks, potentially enabling an attacker to elevate privileges locally without requiring additional execution permissions.

The Impact of CVE-2020-0266

The vulnerability could lead to a local escalation of privilege, without the need for user interaction, posing a risk of unauthorized access and control over affected devices running Android 11.

Technical Details of CVE-2020-0266

The technical aspects of the CVE-2020-0266 vulnerability reveal:

Vulnerability Description

In the factory reset protection of Android 11, a missing permission check allows for a potential FRP bypass.

Affected Systems and Versions

Product: Android
Versions Affected: Android-11

Exploitation Mechanism

The vulnerability permits an attacker to bypass FRP in Android 11, gaining elevated privileges locally without requiring additional execution rights.

Mitigation and Prevention

Essential steps to address and prevent exploitation of CVE-2020-0266:

Immediate Steps to Take

Users should apply security updates and patches provided by the vendor promptly to mitigate the vulnerability.

Long-Term Security Practices

Employ strict access controls and follow best practices for device security to prevent unauthorized privilege escalation.
Regularly update and patch systems to address known vulnerabilities and enhance overall security posture.

Patching and Updates

Regularly check for and apply security patches released by Android to address the vulnerability in Android 11.