CVE-2021-0319: High severity Google Android vulnerability

Published Jan 4, 2021

Updated

In checkCallerIsSystemOr of CompanionDeviceManagerService.java, there is a possible way to get a nearby Bluetooth device's MAC address without appropriate permissions due to a permissions bypass. This could lead to local escalation of privilege that grants access to nearby MAC addresses, with User execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-167244818.

Affected Software

6 affected components

Google Android=8.0

Google Android=8.1

Google Android=9.0

Google Android=10.0

Google Android=11.0

Google Android

Remediation

Patch Available

https://source.android.com/security/bulletin/2021-01-01

Event History

Jan 4, 2021

CVE Published

via Android·12:00 AM

Jan 11, 2021

CVE Published

via MITRE·09:47 PM

Data Sourced

via MITRE·09:47 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2021-0319?

CVE-2021-0319 is classified as a high severity vulnerability due to its potential for local privilege escalation.

How do I fix CVE-2021-0319?

To fix CVE-2021-0319, ensure you update your Android device to the latest security patch provided by Google.

What versions of Android are affected by CVE-2021-0319?

CVE-2021-0319 affects Android versions 8.0, 8.1, 9.0, 10.0, and 11.0.

What type of vulnerability is CVE-2021-0319?

CVE-2021-0319 is a permissions bypass vulnerability related to accessing Bluetooth MAC addresses.

Who is affected by CVE-2021-0319?

Users of affected Android devices may be vulnerable to local escalation of privilege without proper permissions.