CVE-2021-1973 : Security Advisory and Response

A FTM Diag command can allow an arbitrary write into modem OS space in various Qualcomm Snapdragon products.

Understanding CVE-2021-1973

This CVE impacts multiple Qualcomm Snapdragon products due to an FTM Diag command vulnerability.

What is CVE-2021-1973?

CVE-2021-1973 is a vulnerability in Qualcomm Snapdragon products that can enable an unauthorized write into the modem OS space.

The Impact of CVE-2021-1973

The vulnerability can have a high impact on the confidentiality, integrity, and availability of affected systems, necessitating immediate action.

Technical Details of CVE-2021-1973

The vulnerability is characterized by a base score of 7.8 in the CVSS v3.1 scoring system. It has a low attack complexity and requires low privileges to exploit locally.

Vulnerability Description

An FTM Diag command allows unauthorized writes into modem OS space in various Snapdragon products.

Affected Systems and Versions

Numerous Snapdragon products from Qualcomm are affected by this vulnerability across different versions.

Exploitation Mechanism

The vulnerability can be exploited locally with low privileges, posing a high risk to system confidentiality, integrity, and availability.

Mitigation and Prevention

To address CVE-2021-1973, immediate steps should be taken to secure affected systems and establish long-term security practices.

Immediate Steps to Take

Implement security patches, restrict access to vulnerable systems, and monitor for any unauthorized activities.

Long-Term Security Practices

Regularly update systems, conduct security assessments, and educate users on best security practices.

Patching and Updates

Apply the necessary security updates provided by Qualcomm to mitigate the risk associated with this vulnerability.