CVE-2021-24017 : Vulnerability Insights and Analysis

An improper authentication vulnerability has been identified in Fortinet FortiManager versions 6.4.3 and below, as well as 6.2.6 and below. This vulnerability could allow an attacker to assign arbitrary Policy and Object modules through crafted requests to the request handler.

Understanding CVE-2021-24017

This section dives into the specifics of CVE-2021-24017, shedding light on its impact, technical details, and necessary mitigation strategies.

What is CVE-2021-24017?

CVE-2021-24017 involves an improper authentication issue in Fortinet FortiManager. Attackers can exploit this vulnerability by leveraging crafted requests to assign arbitrary Policy and Object modules.

The Impact of CVE-2021-24017

The vulnerability poses a medium severity threat with a CVSS base score of 5.4. Although it requires low privileges and has a low integrity impact, an attacker with network access could potentially manipulate modules within the FortiManager.

Technical Details of CVE-2021-24017

Delve into the technical aspects of CVE-2021-24017 to grasp the vulnerability's description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability stems from improper authentication in FortiManager, empowering attackers to manipulate Policy and Object modules through carefully designed requests.

Affected Systems and Versions

Fortinet FortiManager versions 6.4.3 and below, alongside 6.2.6 and below, are susceptible to this vulnerability. Users of these specific versions should take immediate security actions.

Exploitation Mechanism

Exploiting this vulnerability requires the attacker to send specially crafted requests to the request handler, enabling them to assign unauthorized modules.

Mitigation and Prevention

Learn how to protect your systems from CVE-2021-24017 with immediate steps and long-term security practices.

Immediate Steps to Take

Users are advised to update to a secure version of Fortinet FortiManager to mitigate this vulnerability effectively. Additionally, implementing network controls and monitoring can help detect and prevent unauthorized access.

Long-Term Security Practices

Regular security training and awareness programs for employees can enhance overall security posture. Implementing least privilege access and conducting periodic security audits are also essential.

Patching and Updates

Stay informed about security patches and updates released by Fortinet. Timely patching can address known vulnerabilities and enhance the security of your environment.