CVE-2021-1957 : Vulnerability Insights and Analysis

This CVE-2021-1957 article provides details about an Improper Access Control vulnerability found in multiple Qualcomm Snapdragon products.

Understanding CVE-2021-1957

This section explains the impact and technical details of CVE-2021-1957.

What is CVE-2021-1957?

The vulnerability involves Improper Access Control in Bluetooth in various Qualcomm Snapdragon products during specific reconnection scenarios.

The Impact of CVE-2021-1957

The vulnerability can result in unauthorized access when certain conditions are met, posing a threat to device security.

Technical Details of CVE-2021-1957

This section delves into the specifics of the vulnerability.

Vulnerability Description

The issue arises due to failed ACL link encryption which leads to inadequate access control during reconnection with paired devices.

Affected Systems and Versions

Qualcomm Snapdragon products including Snapdragon Auto, Compute, Connectivity, Industrial IOT, Mobile, Voice & Music are impacted across various versions.

Exploitation Mechanism

The vulnerability can be exploited by attackers to gain unauthorized access to vulnerable devices over Bluetooth connections.

Mitigation and Prevention

This section offers insights on mitigating the risks associated with CVE-2021-1957.

Immediate Steps to Take

Users are advised to apply security patches provided by Qualcomm to address the vulnerability promptly.

Long-Term Security Practices

Implementing best security practices, such as maintaining up-to-date firmware and configuring secure pairing mechanisms, can enhance overall device security.

Patching and Updates

Regularly check for security updates from Qualcomm and apply them consistently to safeguard devices against potential threats.