CVE-2021-30480 : What You Need to Know

Zoom Chat through 2021-04-09 on Windows and macOS allows certain remote authenticated attackers to execute arbitrary code without user interaction. Learn about the impact, technical details, and mitigation strategies related to this CVE.

Understanding CVE-2021-30480

This section provides an overview of the CVE-2021-30480 vulnerability affecting Zoom Chat on Windows and macOS.

What is CVE-2021-30480?

Zoom Chat through 2021-04-09 on Windows and macOS enables remote authenticated attackers to execute arbitrary code without user interaction. Attackers must be within the same organization or accepted external contacts.

The Impact of CVE-2021-30480

The vulnerability's CVSS score is 8.5 (High severity), indicating a significant impact. Attack complexity is high, requiring low privileges and no user interaction, affecting confidentiality, integrity, and availability.

Technical Details of CVE-2021-30480

This section dives into the specifics of the vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability allows remote authenticated attackers to execute arbitrary code on Windows and macOS devices running Zoom Chat. User interaction is not needed.

Affected Systems and Versions

Windows and macOS devices running Zoom Chat through 2021-04-09 are impacted by this vulnerability.

Exploitation Mechanism

Attackers within the same organization or accepted external contacts can exploit this vulnerability, executing arbitrary code without user interaction.

Mitigation and Prevention

This section outlines the steps to take immediately and in the long term to mitigate the risks associated with CVE-2021-30480.

Immediate Steps to Take

Users should update Zoom Chat to the latest version immediately. Ensure communication with known contacts only and avoid accepting requests from unknown parties.

Long-Term Security Practices

Regularly update Zoom Chat and other software, educate users on safe communication practices, and monitor for unusual activities to enhance security.

Patching and Updates

Stay informed about security bulletins and updates from Zoom. Patch vulnerabilities promptly and prioritize security awareness and training.