CVE-2020-20290 : What You Need to Know

This CVE-2020-20290 article provides insights into a directory traversal vulnerability in the yccms 3.3 project, affecting the delete, deletesite, and deleteAll functions.

Understanding CVE-2020-20290

This CVE involves a vulnerability in the yccms 3.3 project due to improper handling of request parameters, leading to a directory traversal vulnerability.

What is CVE-2020-20290?

The vulnerability arises from the delete, deletesite, and deleteAll functions' incorrect assessment of request parameters, enabling a directory traversal exploit.

The Impact of CVE-2020-20290

The vulnerability allows attackers to navigate outside the intended directory structure, potentially accessing sensitive files and directories on the system.

Technical Details of CVE-2020-20290

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability in yccms 3.3 arises from the improper handling of request parameters in the delete, deletesite, and deleteAll functions, leading to a directory traversal exploit.

Affected Systems and Versions

Affected Product: n/a
Affected Version: n/a

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating request parameters to traverse directories and access unauthorized files.

Mitigation and Prevention

To address CVE-2020-20290, follow these mitigation strategies:

Immediate Steps to Take

Implement input validation to prevent malicious input.
Apply proper access controls to limit directory traversal.

Long-Term Security Practices

Regularly update and patch the yccms project to address security vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the risk of directory traversal vulnerabilities.