CVE-2021-42087 : Vulnerability Insights and Analysis

An issue was discovered in Zammad before 4.1.1. An admin can discover the application secret via the API.

Understanding CVE-2021-42087

This CVE identifies a vulnerability in Zammad that allows an admin to access the application secret through the API.

What is CVE-2021-42087?

The CVE-2021-42087 vulnerability in Zammad versions before 4.1.1 enables an admin to retrieve the application secret via the API, potentially leading to unauthorized access and security breaches.

The Impact of CVE-2021-42087

This vulnerability can result in unauthorized access to sensitive information stored within the Zammad application, compromising the confidentiality and integrity of the data.

Technical Details of CVE-2021-42087

This section provides more technical insights into the CVE-2021-42087 vulnerability.

Vulnerability Description

The issue in Zammad before version 4.1.1 allows an admin user to extract the application secret using the API, exposing critical security information.

Affected Systems and Versions

Affected Product: Zammad
Affected Versions: Versions prior to 4.1.1

Exploitation Mechanism

The vulnerability can be exploited by an admin user leveraging the API to retrieve the application secret, potentially leading to unauthorized access and data breaches.

Mitigation and Prevention

Protect your systems against CVE-2021-42087 with the following mitigation strategies.

Immediate Steps to Take

Upgrade Zammad to version 4.1.1 or later to mitigate the vulnerability.
Monitor API usage and access to identify any suspicious activities.
Rotate application secrets regularly to prevent unauthorized access.

Long-Term Security Practices

Conduct regular security audits and assessments to identify and address vulnerabilities.
Implement access controls and restrictions to limit privileged actions within the application.

Patching and Updates

Stay updated with security patches and releases from Zammad to address any security vulnerabilities promptly.