CVE-2021-21955 : What You Need to Know

An authentication bypass vulnerability in Anker Eufy Homebase 2 2.1.6.9h's home_security binary could allow password recovery through network sniffing.

Understanding CVE-2021-21955

This CVE identifies a critical authentication bypass vulnerability in Anker's Eufy Homebase 2, version 2.1.6.9h, that could be exploited via network traffic sniffing.

What is CVE-2021-21955?

CVE-2021-21955 is an authentication bypass flaw in the get_aes_key_info_by_packetid() function of Anker's Eufy Homebase 2, allowing malicious actors to recover passwords by sniffing network data.

The Impact of CVE-2021-21955

The impact of this vulnerability is rated as high, with a CVSS base score of 7.7. It could lead to unauthorized access to sensitive information stored on the affected device.

Technical Details of CVE-2021-21955

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability lies in the home_security binary of Anker Eufy Homebase 2 2.1.6.9h, enabling attackers to bypass authentication mechanisms by intercepting network traffic.

Affected Systems and Versions

Anker Eufy Homebase 2 version 2.1.6.9h is specifically impacted by this vulnerability.

Exploitation Mechanism

Malicious actors can exploit this flaw by sniffing network traffic, triggering the authentication bypass vulnerability.

Mitigation and Prevention

Protecting systems from CVE-2021-21955 is crucial to maintaining security.

Immediate Steps to Take

Users should implement network monitoring to detect unauthorized access attempts and apply security updates promptly.

Long-Term Security Practices

Regularly updating and patching the affected systems is recommended to prevent exploitation of this vulnerability.

Patching and Updates

Anker users should regularly check for security updates from the vendor to secure their Eufy Homebase 2 devices against potential threats.