CVE-2021-27234 : Exploit Details and Defense Strategies

An issue was discovered in Mutare Voice (EVM) 3.x before 3.3.8. The web application suffers from SQL injection on Adminlog.asp, Archivemsgs.asp, Deletelog.asp, Eventlog.asp, and Evmlog.asp.

Understanding CVE-2021-27234

This CVE identifies a SQL injection vulnerability in Mutare Voice (EVM) 3.x versions before 3.3.8.

What is CVE-2021-27234?

The CVE-2021-27234 vulnerability involves SQL injection in specific web application pages within Mutare Voice (EVM) 3.x software.

The Impact of CVE-2021-27234

Exploitation of this vulnerability could allow malicious actors to execute arbitrary SQL queries, potentially leading to unauthorized access or data manipulation.

Technical Details of CVE-2021-27234

This section outlines the technical aspects of CVE-2021-27234.

Vulnerability Description

The vulnerability allows attackers to inject malicious SQL queries through the affected web application pages.

Affected Systems and Versions

Mutare Voice (EVM) 3.x versions prior to 3.3.8 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending crafted SQL injection payloads through URLs associated with Adminlog.asp, Archivemsgs.asp, Deletelog.asp, Eventlog.asp, and Evmlog.asp.

Mitigation and Prevention

Protecting systems from CVE-2021-27234 requires immediate action and ongoing security measures.

Immediate Steps to Take

Upgrade Mutare Voice (EVM) to version 3.3.8 or later to address the SQL injection vulnerability.
Monitor web application logs for any suspicious activity that may indicate exploitation.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user inputs and prevent SQL injection attacks.
Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Stay informed about security advisories and apply patches promptly to safeguard against known vulnerabilities.