CVE-2021-42791 Explained : Impact and Mitigation

An issue was discovered in VeridiumID VeridiumAD 2.5.3.0 where improper access control allows users to trigger push notifications for other users and manipulate notification text, potentially leading to unauthorized access to login certificates.

Understanding CVE-2021-42791

What is CVE-2021-42791?

CVE-2021-42791 refers to a vulnerability in VeridiumID VeridiumAD 2.5.3.0 that enables users to send manipulated push notifications to other users, leading to the potential acquisition of login certificates.

The Impact of CVE-2021-42791

The vulnerability allows unauthorized individuals to trigger push notifications for any user, modify notification content, and obtain the login certificate of the user who accepts the notification.

Technical Details of CVE-2021-42791

Vulnerability Description

The HTTP request functionality in VeridiumID VeridiumAD 2.5.3.0 lacks proper access control, enabling users to send push notifications to others.

Affected Systems and Versions

Product: VeridiumID VeridiumAD
Version: 2.5.3.0

Exploitation Mechanism

Attackers exploit the lack of access control in the push notification feature to send notifications to unauthorized users and manipulate their content.

Mitigation and Prevention

Immediate Steps to Take

Implement access controls to ensure users can only trigger notifications for themselves.
Regularly monitor push notification activities for anomalies.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Educate users on the importance of not accepting unexpected notifications.

Patching and Updates

Apply patches provided by the vendor to address the access control issue.