CVE-2021-30281 Explained : Impact and Mitigation

Possible unauthorized access to secure space due to improper check of data allowed while flashing the no access control device configuration in various Qualcomm products.

Understanding CVE-2021-30281

This CVE describes a vulnerability in Qualcomm products that could potentially lead to unauthorized access to secure spaces.

What is CVE-2021-30281?

The vulnerability allows unauthorized access due to improper data checks during device configuration flashing, impacting a wide range of Qualcomm products, including Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Voice & Music, Wearables, and Wired Infrastructure.

The Impact of CVE-2021-30281

The impact is rated as high, with a CVSS base score of 8.4. It poses a significant risk to confidentiality, integrity, and availability, with low attack complexity and no special privileges required.

Technical Details of CVE-2021-30281

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from improper access control during device configuration flashing.

Affected Systems and Versions

The vulnerability affects a wide range of Qualcomm products, including but not limited to AQT1000, AR8031, AR8035, CSR8811, CSRA6620, CSRA6640, and many more.

Exploitation Mechanism

Unauthorized access is achieved through improper data checks during the device configuration flashing process.

Mitigation and Prevention

Understanding the steps to mitigate and prevent this vulnerability is crucial.

Immediate Steps to Take

Users should apply the necessary security patches provided by Qualcomm promptly.

Long-Term Security Practices

Implement strict access control measures and regularly update firmware to prevent unauthorized access.

Patching and Updates

Regularly check for security bulletins and updates from Qualcomm to secure the affected products.