CVE-2022-40816 Explained : Impact and Mitigation

Zammad 5.2.1 is vulnerable to Incorrect Access Control, allowing attackers to access personal information of other users. Here's what you need to know about CVE-2022-40816.

Understanding CVE-2022-40816

This section provides insights into the vulnerability, its impact, technical details, and mitigation steps.

What is CVE-2022-40816?

Zammad 5.2.1 is affected by an Incorrect Access Control vulnerability, enabling logged-in attackers to fetch personal data of other users via the Zammad API.

The Impact of CVE-2022-40816

The vulnerability bypasses the asset handling mechanism's logic, allowing unauthorized access to sensitive user information through a WebSocket connection.

Technical Details of CVE-2022-40816

Learn more about the specifics of the vulnerability, affected systems, and how exploitation can occur.

Vulnerability Description

Zammad 5.2.1 lacks effective logic in its asset handling mechanism, enabling attackers to query the Zammad API and retrieve personal data of other users.

Affected Systems and Versions

The vulnerability affects Zammad version 5.2.1.

Exploitation Mechanism

Logged-in attackers exploit the flaw through a WebSocket connection to fetch personal information of other users.

Mitigation and Prevention

Discover the immediate and long-term steps to secure your systems against CVE-2022-40816.

Immediate Steps to Take

Update Zammad to version 5.2.2 or apply the necessary patches to address the Incorrect Access Control issue.

Long-Term Security Practices

Implement strict access controls and regularly monitor and audit user access to mitigate similar vulnerabilities.

Patching and Updates

Stay informed about security updates from Zammad and promptly apply patches to protect against known vulnerabilities.