CVE-2021-36569 : Exploit Details and Defense Strategies

A CSRF vulnerability in FUEL-CMS 1.4.13 allows attackers to execute arbitrary code by sending a POST ID request to /users/delete/2.

Understanding CVE-2021-36569

This section will provide insights into the critical aspects of CVE-2021-36569.

What is CVE-2021-36569?

CVE-2021-36569 is a Cross-Site Request Forgery (CSRF) vulnerability found in FUEL-CMS 1.4.13, which enables malicious actors to execute unauthorized code via a crafted POST ID request to /users/delete/2.

The Impact of CVE-2021-36569

This vulnerability could lead to severe consequences such as unauthorized data deletion, manipulation, or execution of malicious code on the targeted system, posing a significant security risk.

Technical Details of CVE-2021-36569

In this section, we will delve into the specific technical details of CVE-2021-36569.

Vulnerability Description

The CSRF flaw in FUEL-CMS 1.4.13 allows remote attackers to perform unauthorized actions on behalf of an authenticated user by tricking them into clicking on a malicious link or visiting a specially crafted web page.

Affected Systems and Versions

The vulnerability affects FUEL-CMS version 1.4.13.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a specially crafted POST ID request to the /users/delete/2 endpoint, leading to the execution of arbitrary code on the server.

Mitigation and Prevention

This section will outline essential steps to mitigate and prevent the exploitation of CVE-2021-36569.

Immediate Steps to Take

Apply the latest security patches provided by FUEL-CMS to address the CSRF vulnerability.
Monitor network traffic for any suspicious activities related to POST ID requests.

Long-Term Security Practices

Implement strict input validation mechanisms to prevent CSRF attacks.
Educate users about the risks of clicking on unknown links or visiting untrusted websites.

Patching and Updates

Regularly update FUEL-CMS to the latest version and stay informed about security advisories to protect your system from known vulnerabilities.