CVE-2021-37460 : What You Need to Know

A Cross Site Scripting (XSS) vulnerability has been identified in NCH Axon PBX v2.22 and earlier versions, allowing attackers to execute malicious scripts via reflected XSS.

Understanding CVE-2021-37460

This CVE involves a security issue in NCH Axon PBX that could be exploited by threat actors to conduct XSS attacks.

What is CVE-2021-37460?

CVE-2021-37460 is a Cross Site Scripting (XSS) vulnerability that exists in NCH Axon PBX v2.22 and earlier versions through the /planprop?id= endpoint, where malicious scripts can be injected and executed.

The Impact of CVE-2021-37460

This vulnerability could be exploited by attackers to execute arbitrary code, steal sensitive data, or perform actions on behalf of legitimate users, posing a significant risk to the security and integrity of affected systems.

Technical Details of CVE-2021-37460

This section provides technical details related to the vulnerability.

Vulnerability Description

The XSS vulnerability in NCH Axon PBX v2.22 and earlier versions allows for the injection and execution of malicious scripts via reflected XSS, potentially leading to unauthorized actions.

Affected Systems and Versions

NCH Axon PBX versions 2.22 and prior are confirmed to be impacted by this CVE, exposing systems that have not applied the necessary security patches.

Exploitation Mechanism

Threat actors can exploit this vulnerability by injecting crafted scripts through the /planprop?id= endpoint, leveraging the reflected XSS to execute malicious code in the context of unsuspecting users.

Mitigation and Prevention

Protecting systems from CVE-2021-37460 requires immediate action and ongoing security practices.

Immediate Steps to Take

Update NCH Axon PBX to the latest patched version to mitigate the vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent script injection.

Long-Term Security Practices

Regularly monitor for security advisories and updates from NCH Communications to stay informed about potential vulnerabilities.
Conduct regular security assessments and penetration testing to identify and address any new security risks.

Patching and Updates

Apply security patches provided by NCH Communications promptly to ensure the mitigation of known vulnerabilities and protect the integrity of your communication systems.