CVE-2021-24015 : What You Need to Know
Learn about CVE-2021-24015, an OS command vulnerability in Fortinet FortiMail before 6.4.4 that allows attackers to execute unauthorized commands. Find out how to mitigate and prevent this security threat.
This CVE involves an improper neutralization of special elements vulnerability found in the administrative interface of Fortinet FortiMail before version 6.4.4. An authenticated attacker may exploit this vulnerability to execute unauthorized commands via specially crafted HTTP requests.
Understanding CVE-2021-24015
This section delves deeper into the technical aspects and impact of the CVE.
What is CVE-2021-24015?
The CVE-2021-24015 pertains to an improper neutralization of special elements vulnerability that can be abused by an authenticated attacker to execute unauthorized commands through crafted HTTP requests on the administrative interface of FortiMail before version 6.4.4.
The Impact of CVE-2021-24015
The impact of this CVE is deemed high, with a base severity score of 7.2. It can result in a compromise of confidentiality, integrity, and availability of the affected system.
Technical Details of CVE-2021-24015
Under this section, the vulnerability description, affected systems, versions, and exploitation mechanism are discussed.
Vulnerability Description
The vulnerability involves improper neutralization of special elements within the administrative interface, enabling unauthorized command execution by authenticated attackers using crafted HTTP requests.
Affected Systems and Versions
Fortinet FortiMail versions before 6.4.4 are vulnerable to this exploit. Users with these versions should take immediate action to secure their systems.
Exploitation Mechanism
An attacker with authentication privileges can leverage specially crafted HTTP requests to execute unauthorized commands on the vulnerable FortiMail administrative interface.
Mitigation and Prevention
This section outlines the steps users can take to mitigate the risk and prevent exploitation of CVE-2021-24015.
Immediate Steps to Take
Affected users should update their FortiMail installations to version 6.4.4 or later to remediate this vulnerability and prevent potential unauthorized command execution.
Long-Term Security Practices
In addition to patching, it is recommended to implement strong access controls, regular security updates, and network monitoring to enhance overall security posture.
Patching and Updates
Regularly check for security updates and patches from Fortinet to address known vulnerabilities and strengthen the security of FortiMail installations.