CVE-2021-27235 : What You Need to Know

An issue was discovered in Mutare Voice (EVM) 3.x before 3.3.8. This vulnerability exists in the admin portal of the web application, specifically in the functionality at diagzip.asp. The flaw allows unauthorized users to export tables of a database.

Understanding CVE-2021-27235

This section provides detailed insights into the CVE-2021-27235 vulnerability.

What is CVE-2021-27235?

CVE-2021-27235 is a vulnerability found in Mutare Voice (EVM) 3.x versions prior to 3.3.8, enabling malicious actors to access and export database tables through an insecure functionality on the web application's admin portal.

The Impact of CVE-2021-27235

The impact of this vulnerability could lead to unauthorized access to sensitive data stored in the database, potentially resulting in data breaches, data manipulation, or leakage.

Technical Details of CVE-2021-27235

This section outlines the technical aspects of CVE-2021-27235.

Vulnerability Description

The vulnerability involves a flaw in the diagzip.asp functionality within Mutare Voice (EVM) 3.x versions before 3.3.8, allowing any user to export database tables without proper authorization.

Affected Systems and Versions

Mutare Voice (EVM) 3.x versions earlier than 3.3.8 are affected by this vulnerability, putting these systems at risk of unauthorized data extraction.

Exploitation Mechanism

The exploitation of this vulnerability involves accessing the admin portal and utilizing the diagzip.asp functionality to export database tables, bypassing access controls.

Mitigation and Prevention

In this section, you will find recommendations to mitigate and prevent exploitation of CVE-2021-27235.

Immediate Steps to Take

Update Mutare Voice (EVM) to version 3.3.8 or later to patch the vulnerability and secure the system.
Restrict access to the admin portal to authorized personnel only.

Long-Term Security Practices

Regularly monitor for any unauthorized access or unusual activities within the system.
Implement access controls and authentication mechanisms to limit user privileges.

Patching and Updates

Stay informed about security updates from Mutare Voice and promptly apply patches to address any known vulnerabilities.