CVE-2021-37440 : What You Need to Know

NCH Axon PBX v2.22 and earlier versions are vulnerable to path traversal, allowing attackers to disclose files using a specific substring. This CVE was published on July 25, 2021, by MITRE.

Understanding CVE-2021-37440

This section delves into the details of the CVE-2021-37440 vulnerability.

What is CVE-2021-37440?

The vulnerability in NCH Axon PBX v2.22 and earlier versions enables threat actors to exploit path traversal and disclose files through the 'logprop?file=/..' substring.

The Impact of CVE-2021-37440

The exploitation of this vulnerability can lead to unauthorized file access, potentially exposing sensitive information to malicious entities.

Technical Details of CVE-2021-37440

Explore the technical aspects of the CVE-2021-37440 vulnerability.

Vulnerability Description

NCH Axon PBX v2.22 and earlier are susceptible to a path traversal flaw that allows attackers to retrieve arbitrary files.

Affected Systems and Versions

All versions of NCH Axon PBX v2.22 and earlier are affected by this vulnerability.

Exploitation Mechanism

Attackers can leverage the 'logprop?file=/..' substring to exploit the path traversal vulnerability and disclose sensitive files.

Mitigation and Prevention

Discover effective strategies to mitigate the risks associated with CVE-2021-37440.

Immediate Steps to Take

Users are advised to update to a fixed version or apply patches issued by the vendor to remediate this vulnerability.

Long-Term Security Practices

Implement robust file input validation mechanisms to prevent path traversal attacks and enhance system security.

Patching and Updates

Regularly monitor vendor updates and apply security patches promptly to safeguard systems against potential exploits.