CVE-2021-21941 Explained : Impact and Mitigation

A detailed overview of CVE-2021-21941, including its impact, technical details, and mitigation strategies.

Understanding CVE-2021-21941

This section delves into the critical information regarding the vulnerability.

What is CVE-2021-21941?

CVE-2021-21941 is a use-after-free vulnerability discovered in the pushMuxer CreatePushThread functionality of Anker Eufy Homebase 2 version 2.1.6.9h. This flaw could allow an attacker to execute remote code by sending a specially-crafted set of network packets.

The Impact of CVE-2021-21941

The vulnerability has a CVSS v3.0 base score of 10, categorizing it as critical. With a low attack complexity and no privileges required, the flaw can result in high confidentiality, integrity, and availability impacts on affected systems.

Technical Details of CVE-2021-21941

Explore the specific technical aspects and implications of the CVE.

Vulnerability Description

The use-after-free flaw in the pushMuxer CreatePushThread of Anker Eufy Homebase 2 2.1.6.9h can be triggered via specially-crafted network packets, leading to potential remote code execution.

Affected Systems and Versions

Anker Eufy Homebase 2 version 2.1.6.9h is confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability remotely by sending malicious network packets, taking advantage of the flawed CreatePushThread functionality.

Mitigation and Prevention

Discover the necessary steps to mitigate the risks associated with CVE-2021-21941.

Immediate Steps to Take

Users are advised to apply security updates promptly to address the vulnerability and prevent potential exploitation.

Long-Term Security Practices

Implementing network segmentation, access controls, and regular security assessments can enhance overall system security.

Patching and Updates

Stay informed about security patches released by the vendor to address the vulnerability and ensure system protection.