CVE-2021-45099 : Exploit Details and Defense Strategies

CVE-2021-45099 relates to the addon.stdin service in addon-ssh (Home Assistant Community Add-on: SSH & Web Terminal) before version 10.0.0, presenting a social engineering attack surface. Although disputed by the vendor as a vulnerability, defensive actions were taken.

Understanding CVE-2021-45099

This CVE concerns the addon.stdin service within the addon-ssh software, known as Home Assistant Community Add-on: SSH & Web Terminal.

What is CVE-2021-45099?

The vulnerability in the addon.stdin service within addon-ssh before version 10.0.0 required social engineering for exploitation. The vendor disputed this as a vulnerability but took precautionary measures.

The Impact of CVE-2021-45099

The affected service had a potential attack surface that could be exploited through social engineering, prompting the removal of addon.stdin for enhanced defense.

Technical Details of CVE-2021-45099

This section provides detailed technical aspects of the CVE.

Vulnerability Description

addon.stdin service in addon-ssh (Home Assistant Community Add-on: SSH & Web Terminal) had an attack surface that necessitated social engineering for exploitation. The vendor took steps to address this.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Versions: N/A

Exploitation Mechanism

The vulnerability required social engineering tactics to utilize the addon.stdin service for potential exploitation.

Mitigation and Prevention

Mitigation strategies and preventive measures for CVE-2021-45099.

Immediate Steps to Take

Update addon-ssh to version 10.0.0 or newer.
Implement security awareness training to combat social engineering threats.

Long-Term Security Practices

Regularly review and monitor add-on services for vulnerabilities.
Enhance user education and awareness regarding social engineering tactics.

Patching and Updates

Regularly apply updates and security patches to software and services to prevent similar vulnerabilities in the future.