CVE-2020-13795 : What You Need to Know

An issue was discovered in Navigate CMS through 2.8.7 that allows Directory Traversal due to mishandling of certain substrings in the template class file.

Understanding CVE-2020-13795

What is CVE-2020-13795?

CVE-2020-13795 is a vulnerability found in Navigate CMS version 2.8.7 that enables Directory Traversal through improper handling of directory path substrings.

The Impact of CVE-2020-13795

This vulnerability could allow an attacker to navigate outside of the intended directory structure, potentially accessing sensitive files or directories on the server.

Technical Details of CVE-2020-13795

Vulnerability Description

The issue arises from the mishandling of '../' and '..' substrings in the template.class.php file, leading to a Directory Traversal vulnerability.

Affected Systems and Versions

Navigate CMS versions up to 2.8.7 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating directory traversal sequences in crafted requests to access unauthorized files or directories.

Mitigation and Prevention

Immediate Steps to Take

Apply the vendor-supplied patch or update to version 2.8.8 or later to mitigate this vulnerability.
Implement proper input validation and sanitization to prevent malicious directory traversal attempts.

Long-Term Security Practices

Regularly monitor and audit file access logs for any suspicious activity related to directory traversal.
Educate developers and administrators on secure coding practices to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates and patches released by Navigate CMS to address known vulnerabilities and ensure timely application to secure your system.