CVE-2021-33155 : What You Need to Know

Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products are affected by an improper input validation vulnerability in firmware before version 22.100. This vulnerability may allow an authenticated user to enable denial of service via adjacent access.

Understanding CVE-2021-33155

This CVE-2021-33155 impacts the firmware of specific Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products, potentially enabling denial of service attacks.

What is CVE-2021-33155?

CVE-2021-33155 is an improper input validation vulnerability found in firmware for certain Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products before version 22.100. It could be exploited by an authenticated user to trigger denial of service via adjacent access.

The Impact of CVE-2021-33155

The vulnerability poses a risk of allowing an attacker to cause denial of service, affecting the availability of the Bluetooth functionality on the affected products.

Technical Details of CVE-2021-33155

This section delves into the specifics of the CVE, including the description of the vulnerability, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from improper input validation within the firmware of Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products, occurring before version 22.100.

Affected Systems and Versions

The impacted systems include Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products running firmware versions prior to 22.100.

Exploitation Mechanism

An authenticated user could potentially trigger denial of service by leveraging adjacent access points through the firmware vulnerability.

Mitigation and Prevention

In this section, we explore the steps to address and prevent exploitation of CVE-2021-33155.

Immediate Steps to Take

Users and administrators are advised to update the firmware of Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products to version 22.100 or later to mitigate the vulnerability.

Long-Term Security Practices

Employing secure network configurations and regularly updating firmware can enhance the overall security posture to prevent future vulnerabilities.

Patching and Updates

Stay informed about security advisories from Intel and promptly apply recommended patches and updates to ensure robust protection against potential threats.