CVE-2021-41082 : Vulnerability Insights and Analysis

Discourse, a platform for community discussion, exposed private message titles and participating users to unauthorized users, despite access control remaining intact.

Understanding CVE-2021-41082

In this vulnerability, private message titles and users were leaked, affecting Discourse instances.

What is CVE-2021-41082?

Discourse inadvertently exposed private message titles and participating users to unauthorized users in specific versions.

The Impact of CVE-2021-41082

CVSS Score: 7.5 (High)
Confidentiality Impact: High
User Interaction: None
Access Control: Not compromised

Technical Details of CVE-2021-41082

This section provides intricate details regarding the vulnerability.

Vulnerability Description

The vulnerability allowed unauthorized users to view private message titles and participating users in certain Discourse versions.

Affected Systems and Versions

Product: Discourse
Vendor: Discourse
Versions affected: >= tests-passed = ddb4583, < tests-passed = 27bad28

Exploitation Mechanism

Unauthorized users could access private message titles and user information despite not having permission.

Mitigation and Prevention

Steps to mitigate the vulnerability and prevent any potential exploits.

Immediate Steps to Take

Upgrade to the latest commit if running Discourse on the

tests-passed

branch.

Long-Term Security Practices

Regularly review and update access controls.
Educate users on information security best practices.
Monitor for unauthorized access attempts.

Patching and Updates

Ensure systems are promptly updated with the latest security patches and versions.