CVE-2021-4283 : Security Advisory and Response

A vulnerability has been discovered in FreeBPX voicemail settings handler that could allow for cross-site scripting attacks. Upgrading to version 14.0.6.25 is recommended to address this issue.

Understanding CVE-2021-4283

This CVE identifies a cross-site scripting vulnerability in FreeBPX voicemail settings handler that could be exploited remotely.

What is CVE-2021-4283?

The vulnerability in FreeBPX voicemail affects an unknown functionality of the file views/ssettings.php in the component Settings Handler. By manipulating the argument key, an attacker can execute cross-site scripting attacks.

The Impact of CVE-2021-4283

The impact of this vulnerability is rated as problematic. An attacker could exploit this issue remotely, leading to potential cross-site scripting attacks.

Technical Details of CVE-2021-4283

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in FreeBPX voicemail is due to improper handling of user input in the settings handler module, leading to cross-site scripting.

Affected Systems and Versions

The affected component is FreeBPX voicemail settings handler. All versions are susceptible to this vulnerability.

Exploitation Mechanism

By manipulating the argument key in the file views/ssettings.php, attackers can inject malicious scripts and execute cross-site scripting attacks.

Mitigation and Prevention

To protect systems from CVE-2021-4283, immediate action is required.

Immediate Steps to Take

Upgrade the affected component to version 14.0.6.25 to mitigate the vulnerability and prevent cross-site scripting attacks.

Long-Term Security Practices

Regularly update and patch all software components to prevent security vulnerabilities like cross-site scripting.

Patching and Updates

Apply the patch ffce4882016076acd16fe0f676246905aa3cb2f3 released by FreeBPX to address the CVE-2021-4283 vulnerability.