CVE-2022-38766 Explained : Impact and Mitigation

This article provides detailed information about CVE-2022-38766, a vulnerability affecting the remote keyless system on Renault ZOE 2021 vehicles.

Understanding CVE-2022-38766

This section delves into the nature of the vulnerability and its potential impact.

What is CVE-2022-38766?

CVE-2022-38766 pertains to the remote keyless system on Renault ZOE 2021 vehicles. It involves the transmission of 433.92 MHz RF signals using the same Rolling Codes set for each door-open request, making it susceptible to a replay attack.

The Impact of CVE-2022-38766

The vulnerability allows threat actors to potentially intercept and replay RF signals, leading to unauthorized access to the vehicle.

Technical Details of CVE-2022-38766

This section covers the technical aspects of the vulnerability.

Vulnerability Description

The issue lies in the consistent use of Rolling Codes across door-open requests, enabling attackers to capture and replicate signals to gain unauthorized entry.

Affected Systems and Versions

The vulnerability affects Renault ZOE 2021 vehicles utilizing the remote keyless system.

Exploitation Mechanism

Threat actors can exploit the vulnerability by intercepting the RF signals and replaying them to unlock the vehicle without authorization.

Mitigation and Prevention

This section outlines steps to mitigate the risk posed by CVE-2022-38766.

Immediate Steps to Take

Vehicle owners should contact Renault or authorized service centers to implement security updates or guidance to address the vulnerability.

Long-Term Security Practices

To enhance security, users are advised to regularly update vehicle software and follow recommended security practices to prevent unauthorized access.

Patching and Updates

Renault may release patches or firmware updates to fix the vulnerability, and users should promptly install these updates to secure their vehicles.