CVE-2021-37458 : Security Advisory and Response

Cross Site Scripting (XSS) vulnerability exists in NCH Axon PBX v2.22 and earlier versions through the primary phone field, allowing stored XSS attacks.

Understanding CVE-2021-37458

This CVE-2021-37458 involves a security issue in NCH Axon PBX software versions 2.22 and below, enabling attackers to execute malicious scripts via the primary phone field.

What is CVE-2021-37458?

CVE-2021-37458 points to a Cross Site Scripting vulnerability found in NCH Axon PBX software versions 2.22 and earlier. The flaw allows threat actors to inject and execute malicious scripts by manipulating the primary phone field.

The Impact of CVE-2021-37458

This vulnerability may lead to unauthorized access, data theft, or complete system compromise for users of the affected NCH Axon PBX versions.

Technical Details of CVE-2021-37458

This section provides deeper insights into the vulnerability, affected systems, and the exploitation method.

Vulnerability Description

The XSS flaw in NCH Axon PBX v2.22 and earlier versions permits threat actors to inject and run malicious scripts through the primary phone field, endangering system integrity.

Affected Systems and Versions

NCH Axon PBX software versions 2.22 and prior are affected by this security vulnerability, putting users of these versions at risk of exploitation.

Exploitation Mechanism

Attackers exploit this vulnerability by inputting specially crafted data into the primary phone field, triggering the execution of malicious scripts within the affected software.

Mitigation and Prevention

Protect your systems from CVE-2021-37458 by implementing the following security measures.

Immediate Steps to Take

Update NCH Axon PBX to the latest patched version that addresses the XSS vulnerability.
Restrict access to the primary phone field to authorized users only.

Long-Term Security Practices

Conduct regular security audits and vulnerability scans on your systems.
Educate users on safe data input practices and the risks associated with XSS attacks.

Patching and Updates

Always stay informed about security updates and patches released by NCH for Axon PBX, ensuring timely application to mitigate known vulnerabilities.