CVE-2020-29160 : What You Need to Know

An issue was discovered in Zammad before 3.5.1. A REST API call allows an attacker to change Ticket Article data in a way that defeats auditing.

Understanding CVE-2020-29160

This CVE identifies a vulnerability in Zammad that could be exploited by attackers to manipulate Ticket Article data through a REST API call.

What is CVE-2020-29160?

CVE-2020-29160 is a security flaw found in versions of Zammad prior to 3.5.1. It enables unauthorized modification of Ticket Article data, compromising auditing mechanisms.

The Impact of CVE-2020-29160

The vulnerability allows malicious actors to alter Ticket Article information, potentially leading to unauthorized changes that can evade auditing processes.

Technical Details of CVE-2020-29160

This section provides in-depth technical insights into the vulnerability.

Vulnerability Description

The issue in Zammad before version 3.5.1 permits attackers to manipulate Ticket Article data via a REST API call, circumventing auditing controls.

Affected Systems and Versions

Product: Zammad
Vendor: Zammad
Versions affected: All versions before 3.5.1

Exploitation Mechanism

Attackers exploit a vulnerability in the Zammad REST API to modify Ticket Article data, allowing them to bypass auditing mechanisms.

Mitigation and Prevention

Protect your systems from CVE-2020-29160 with the following measures:

Immediate Steps to Take

Update Zammad to version 3.5.1 or later to patch the vulnerability.
Monitor Ticket Article data for any unauthorized changes.

Long-Term Security Practices

Implement strict access controls to limit API usage.
Regularly audit and review Ticket Article modifications for anomalies.

Patching and Updates

Apply security patches promptly to ensure protection against known vulnerabilities in Zammad.