CVE-2021-0509: Use After Free

Published Jun 7, 2021

Updated

In various functions of CryptoPlugin.cpp, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-176444161

Affected Software

5 affected components

Google Android=8.1

Google Android=9.0

Google Android=10.0

Google Android=11.0

Google Android

Event History

Jun 7, 2021

CVE Published

via Android·12:00 AM

Data Sourced

via Android·12:00 AM

SeverityWeaknessAffected Software

Jun 21, 2021

CVE Published

via MITRE·04:01 PM

Data Sourced

via MITRE·04:01 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2021-0509?

CVE-2021-0509 has a severity rating that indicates a potential for local escalation of privilege without requiring additional execution privileges.

How do I fix CVE-2021-0509?

To address CVE-2021-0509, update your Android device to the latest security patch provided by Google.

Which versions of Android are affected by CVE-2021-0509?

CVE-2021-0509 affects Android versions 8.1, 9.0, 10.0, and 11.0.

What kind of exploit is associated with CVE-2021-0509?

CVE-2021-0509 is related to a possible use after free vulnerability due to a race condition.

Is user interaction required to exploit CVE-2021-0509?

No, user interaction is not needed for the exploitation of CVE-2021-0509.