CVE-2021-36180 : What You Need to Know

Multiple improper neutralization of special elements used in a command vulnerabilities [CWE-77] in FortiWeb management interface versions 6.4.1 and below, 6.3.15 and below, 6.2.5 and below may allow an authenticated attacker to execute unauthorized code or commands via crafted parameters of HTTP requests.

Understanding CVE-2021-36180

This CVE describes multiple vulnerabilities found in the FortiWeb management interface that could be exploited by an authenticated attacker to execute unauthorized code or commands.

What is CVE-2021-36180?

The CVE-2021-36180 vulnerability involves improper neutralization of special elements used in a command in the FortiWeb management interface. Attackers can leverage this vulnerability to execute unauthorized code or commands by manipulating HTTP request parameters.

The Impact of CVE-2021-36180

The impact of CVE-2021-36180 is rated as high, with a CVSS base score of 7.9. It poses a significant threat to the integrity and availability of affected systems.

Technical Details of CVE-2021-36180

This section delves into the technical aspects of the vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability involves improper handling of special elements in commands within the FortiWeb management interface, leading to the execution of unauthorized code or commands.

Affected Systems and Versions

Fortinet's FortiWeb versions 6.4.1 and below, 6.3.15 and below, and 6.2.5 and below are affected by CVE-2021-36180.

Exploitation Mechanism

An authenticated attacker can exploit this vulnerability by sending specially crafted parameters in HTTP requests to the FortiWeb management interface, enabling the execution of unauthorized code or commands.

Mitigation and Prevention

This section outlines steps to mitigate the CVE-2021-36180 vulnerability and prevent potential exploitation.

Immediate Steps to Take

Organizations should apply security patches provided by Fortinet to address the vulnerability promptly.
Implement network security measures to detect and block malicious activity targeting the FortiWeb management interface.

Long-Term Security Practices

Conduct regular security assessments and audits to identify and remediate vulnerabilities in system configurations.
Educate system administrators and users about safe computing practices to reduce the risk of successful attacks.

Patching and Updates

Fortinet has released patches to address the CVE-2021-36180 vulnerability in FortiWeb. System administrators are advised to apply these patches as soon as possible to secure their systems.