CVE-2021-26114 : Exploit Details and Defense Strategies

Multiple improper neutralization of special elements used in an SQL command vulnerabilities in Fortinet FortiWAN before 4.5.9 could allow an unauthenticated attacker to execute unauthorized code or commands via specially crafted HTTP requests.

Understanding CVE-2021-26114

This section will provide insights into the impact, technical details, and mitigation strategies related to CVE-2021-26114.

What is CVE-2021-26114?

CVE-2021-26114 highlights multiple vulnerabilities in Fortinet FortiWAN before version 4.5.9 where an attacker can exploit SQL command issues to execute malicious code or commands without authentication.

The Impact of CVE-2021-26114

With a CVSS base score of 9.6 out of 10, this critical vulnerability poses a high risk as it allows unauthorized execution of code or commands through manipulated HTTP requests.

Technical Details of CVE-2021-26114

Let's delve deeper into the specifics of this CVE to understand the vulnerability, affected systems, and exploitation methods.

Vulnerability Description

The vulnerability arises from the improper handling of special SQL elements in FortiWAN before version 4.5.9, enabling attackers to trigger unauthorized code execution.

Affected Systems and Versions

Fortinet FortiWAN versions before 4.5.9 are impacted by this vulnerability, exposing them to potential exploitation.

Exploitation Mechanism

An unauthenticated attacker can leverage specially crafted HTTP requests to exploit the SQL command vulnerabilities and execute malicious code or commands.

Mitigation and Prevention

To safeguard systems from CVE-2021-26114, immediate actions should be taken along with long-term security measures and timely application of patches.

Immediate Steps to Take

Upgrade Fortinet FortiWAN to version 4.5.9 or higher to mitigate the risk of unauthorized code execution.

Long-Term Security Practices

Implement secure coding practices and regularly monitor and audit HTTP requests to detect and prevent malicious activities.

Patching and Updates

Stay informed about security updates from Fortinet and promptly apply patches to address known vulnerabilities.