CVE-2021-23910 : What You Need to Know

An issue was discovered in HERMES 2.1 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021, leading to an out-of-bounds array access in RemoteDiagnosisApp.

Understanding CVE-2021-23910

This CVE identifies a vulnerability in the HERMES 2.1 system used in Mercedes-Benz vehicles, allowing for unauthorized array access in the RemoteDiagnosisApp.

What is CVE-2021-23910?

The CVE-2021-23910 vulnerability pertains to an out-of-bounds array access issue found in the MBUX Infotainment System on Mercedes-Benz vehicles.

The Impact of CVE-2021-23910

With a CVSS base score of 5.3, this vulnerability poses a medium severity risk with low impact on confidentiality, integrity, and availability.

Technical Details of CVE-2021-23910

This section delves into the specifics of the vulnerability within the HERMES 2.1 system.

Vulnerability Description

The vulnerability involves out-of-bounds array access within the RemoteDiagnosisApp component of the MBUX Infotainment System.

Affected Systems and Versions

The issue affects HERMES 2.1 in the MBUX Infotainment System on Mercedes-Benz vehicles through the year 2021.

Exploitation Mechanism

The vulnerability can be exploited locally with low privileges required, posing a threat to the unchanged scope without user interaction.

Mitigation and Prevention

In response to CVE-2021-23910, it is crucial to implement immediate and long-term security measures to safeguard affected systems.

Immediate Steps to Take

Ensure timely patching and updates to the HERMES 2.1 system on Mercedes-Benz vehicles to address the out-of-bounds array access vulnerability.

Long-Term Security Practices

Adopt security best practices, conduct regular security assessments, and stay informed about potential vulnerabilities in the Infotainment System.

Patching and Updates

Regularly monitor for security advisories from Mercedes-Benz and apply patches promptly to mitigate the risk posed by CVE-2021-23910.