CVE-2021-36182 : Vulnerability Insights and Analysis

A Command Injection vulnerability, identified as CVE-2021-36182, has been discovered in Fortinet FortiWeb version 6.3.13 and below. This vulnerability could allow an attacker to execute unauthorized code or commands through specially crafted HTTP requests.

Understanding CVE-2021-36182

This section provides insights into the nature of the CVE-2021-36182 vulnerability.

What is CVE-2021-36182?

The CVE-2021-36182 vulnerability involves improper neutralization of special elements used in a command (Command Injection) in Fortinet FortiWeb version 6.3.13 and earlier. This flaw enables threat actors to run unauthorized code or commands by sending malicious HTTP requests.

The Impact of CVE-2021-36182

The impact of this vulnerability is categorized as high severity, with a CVSS base score of 8.3. It poses significant risks to the confidentiality, integrity, and availability of the affected systems. Given the low privileges required for exploitation, the vulnerability could be exploited with ease.

Technical Details of CVE-2021-36182

In this section, we delve into the technical aspects of CVE-2021-36182.

Vulnerability Description

The vulnerability allows attackers to perform Command Injection, leading to the unauthorized execution of code or commands on the impacted system.

Affected Systems and Versions

Fortinet FortiWeb versions 6.3.13, 6.3.12, 6.3.11, and prior are affected by this vulnerability.

Exploitation Mechanism

Exposure to crafted HTTP requests can trigger the execution of unauthorized code or commands, exploiting the vulnerability present in Fortinet FortiWeb.

Mitigation and Prevention

This section outlines the necessary steps to mitigate and prevent exploitation of CVE-2021-36182.

Immediate Steps to Take

Users are advised to apply security patches provided by Fortinet to address the vulnerability. Additionally, monitoring and filtering HTTP requests can help detect and prevent potential attacks.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and staying informed about emerging threats can enhance the overall security posture.

Patching and Updates

Regularly updating Fortinet FortiWeb to the latest secure versions and promptly applying patches can safeguard systems against known vulnerabilities.