CVE-2020-24655 : What You Need to Know

A race condition in the Twilio Authy 2-Factor Authentication application before 24.3.7 for Android allows a user to potentially approve/deny an access request prior to unlocking the application with a PIN on older Android devices (effectively bypassing the PIN requirement).

Understanding CVE-2020-24655

This CVE describes a vulnerability in the Twilio Authy 2-Factor Authentication application for Android devices.

What is CVE-2020-24655?

CVE-2020-24655 is a race condition vulnerability in the Twilio Authy 2-Factor Authentication app for Android, enabling users to approve/deny access requests before entering the required PIN.

The Impact of CVE-2020-24655

This vulnerability could allow unauthorized access to sensitive information or accounts protected by the Twilio Authy 2-Factor Authentication app.

Technical Details of CVE-2020-24655

This section provides more technical insights into the vulnerability.

Vulnerability Description

The race condition in Twilio Authy 2-Factor Authentication app allows users to bypass the PIN requirement on older Android devices.

Affected Systems and Versions

Product: Twilio Authy 2-Factor Authentication
Vendor: Twilio
Versions affected: Before 24.3.7

Exploitation Mechanism

Users can exploit this vulnerability by approving/denying access requests before entering the PIN, potentially granting unauthorized access.

Mitigation and Prevention

Protecting against and addressing the CVE-2020-24655 vulnerability.

Immediate Steps to Take

Update the Twilio Authy app to version 24.3.7 or newer.
Avoid using the app on older Android devices.

Long-Term Security Practices

Regularly update all applications to the latest versions.
Use strong, unique PINs for added security.

Patching and Updates

Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.