CVE-2021-30276 Explained : Impact and Mitigation

A vulnerability in multiple Qualcomm products could allow unauthorized access to secure resources due to improper access control during dynamic XPU re-configuration.

Understanding CVE-2021-30276

This CVE pertains to a critical vulnerability present in various Qualcomm products that can result in unauthorized access to secure resources.

What is CVE-2021-30276?

The vulnerability arises from improper access control when dynamically re-configuring XPU, potentially leading to unauthorized access to secure resources.

The Impact of CVE-2021-30276

With a CVSS base score of 9.3, this critical vulnerability can have high impacts on confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2021-30276

This section delves into the technical aspects of the CVE, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability allows attackers to gain unauthorized access to secure resources by exploiting improper access controls during XPU re-configuration.

Affected Systems and Versions

The vulnerability affects a wide range of Qualcomm products, including Snapdragon Compute, Connectivity, Consumer IOT, Industrial IOT, and Wired Infrastructure, along with several specific versions.

Exploitation Mechanism

Unauthorized access is facilitated by exploiting the lack of proper access controls during dynamic XPU re-configuration.

Mitigation and Prevention

In this section, we discuss the necessary steps to mitigate the risk associated with CVE-2021-30276.

Immediate Steps to Take

Users should apply relevant patches provided by Qualcomm to address this vulnerability immediately.

Long-Term Security Practices

Implementing robust access control mechanisms and regular security audits can enhance long-term security posture.

Patching and Updates

Regularly update and patch the affected Qualcomm products to ensure protection against potential exploits.