CVE-2021-37441 Explained : Impact and Mitigation
Learn about CVE-2021-37441 impacting NCH Axon PBX v2.22 and earlier, allowing unauthorized file deletions via path traversal. Explore mitigation steps and technical details.
NCH Axon PBX v2.22 and earlier versions are vulnerable to path traversal, allowing unauthorized users to delete files using a specific substring. Learn more about the impact, technical details, and mitigation strategies for CVE-2021-37441.
Understanding CVE-2021-37441
This section provides an overview of the security vulnerability identified as CVE-2021-37441 in NCH Axon PBX software.
What is CVE-2021-37441?
CVE-2021-37441 is a security vulnerability in NCH Axon PBX v2.22 and earlier versions that enables path traversal for unauthorized file deletion through a specific substring.
The Impact of CVE-2021-37441
The vulnerability allows attackers to delete files using the 'logdelete?file=/..' substring, potentially leading to data loss and system compromise.
Technical Details of CVE-2021-37441
Explore the technical aspects of CVE-2021-37441 to understand the vulnerability better.
Vulnerability Description
NCH Axon PBX v2.22 and earlier versions allow path traversal for file deletion via the 'logdelete?file=/..' substring, leading to unauthorized access.
Affected Systems and Versions
All versions of NCH Axon PBX software up to v2.22 are affected by CVE-2021-37441, exposing them to the path traversal issue.
Exploitation Mechanism
Attackers exploit this vulnerability by manipulating the 'logdelete?file=/..' substring to delete files without proper authorization.
Mitigation and Prevention
Discover the steps to mitigate the risks associated with CVE-2021-37441 and prevent unauthorized access and file deletions.
Immediate Steps to Take
Users should update NCH Axon PBX to a patched version or implement workarounds provided by the vendor to prevent successful exploitation of this vulnerability.
Long-Term Security Practices
Enforce strict access controls, regularly monitor file deletions, and conduct security assessments to identify and address any vulnerabilities that could be exploited.
Patching and Updates
Stay informed about security updates released by NCH for Axon PBX software and apply patches promptly to secure your system against CVE-2021-37441.