CVE-2021-24013 : Security Advisory and Response

Multiple path traversal vulnerabilities in the Webmail of Fortinet FortiMail before version 6.4.4 could allow a regular user to gain unauthorized access to files and data through specially crafted web requests.

Understanding CVE-2021-24013

This CVE details multiple path traversal vulnerabilities in Fortinet FortiMail, potentially leading to unauthorized access by exploiting the Webmail interface.

What is CVE-2021-24013?

The vulnerability in Fortinet FortiMail before version 6.4.4 allows a regular user to access files and data without proper authorization via manipulated web requests.

The Impact of CVE-2021-24013

With a high CVSS base score of 8.8 out of 10, this CVE poses significant risks to confidentiality, integrity, and availability of data. Attackers can exploit this vulnerability over a network with low complexity, impacting systems running vulnerable versions.

Technical Details of CVE-2021-24013

This section provides technical insights into the vulnerability.

Vulnerability Description

The multiple path traversal flaws in Fortinet FortiMail before 6.4.4 allow threat actors to traverse directories and access sensitive information, leading to unauthorized data disclosure.

Affected Systems and Versions

Fortinet FortiMail versions before 6.4.4 are affected by these path traversal vulnerabilities, exposing them to exploitation.

Exploitation Mechanism

Exploiting this vulnerability involves manipulating web requests through the Webmail interface to access files and data without proper authorization.

Mitigation and Prevention

Discover how to mitigate the risks associated with CVE-2021-24013.

Immediate Steps to Take

To address this vulnerability, update Fortinet FortiMail to version 6.4.4 or higher to eliminate the path traversal weaknesses and enhance security.

Long-Term Security Practices

Implement robust security measures, such as access controls, to prevent unauthorized access to sensitive files and data in FortiMail systems.

Patching and Updates

Regularly apply security patches and updates provided by Fortinet to protect against known vulnerabilities and enhance the security posture of FortiMail installations.