CVE-2021-37867 : Vulnerability Insights and Analysis

This CVE-2021-37867 relates to a vulnerability in Mattermost Boards plugin versions up to 0.10.0 that exposes email addresses of all users via one of the Boards APIs. This flaw permits both authenticated and unauthorized users to access sensitive email information. Here's a detailed insight into the CVE.

Understanding CVE-2021-37867

This section will provide an overview of the vulnerability, its impact, technical details, and mitigation steps.

What is CVE-2021-37867?

The CVE-2021-37867 vulnerability in Mattermost Boards plugin v0.10.0 and earlier allows users to access email addresses of all users through one of the Boards APIs, leading to potential disclosure of sensitive information.

The Impact of CVE-2021-37867

The exposure of email addresses can result in a breach of user privacy and confidentiality. It allows attackers to gather sensitive information that can be misused for malicious purposes.

Technical Details of CVE-2021-37867

Let's delve into the specifics of the vulnerability to gain a better understanding of its implications.

Vulnerability Description

The flaw in Mattermost Boards plugin versions up to 0.10.0 fails to secure email addresses, enabling unauthorized access to this information via specific Boards APIs.

Affected Systems and Versions

Mattermost Boards plugin versions 0.10.0 and earlier are impacted by this vulnerability, while versions below 0.7.5 remain unaffected.

Exploitation Mechanism

By leveraging the vulnerability in one of the Boards APIs, both authenticated and unauthorized users can access email addresses, exposing sensitive user data.

Mitigation and Prevention

To address CVE-2021-37867 effectively, immediate steps should be taken along with long-term security practices and timely patching.

Immediate Steps to Take

Users are advised to update to the latest patched version of Mattermost Boards plugin, implement access controls, and monitor for any unauthorized access attempts.

Long-Term Security Practices

Incorporating security best practices such as regular security audits, training employees on data protection, and maintaining secure coding standards can help prevent similar vulnerabilities in the future.

Patching and Updates

Ensure timely application of security patches released by Mattermost to mitigate the risk of email address exposure and unauthorized access through Boards APIs.