CVE-2020-6646 Explained : Impact and Mitigation

FortiWeb 6.2.2 is affected by an improper neutralization of input vulnerability that allows a remote authenticated attacker to execute a stored cross-site scripting attack via the Disclaimer Description of a Replacement Message.

Understanding CVE-2020-6646

This CVE identifies a security vulnerability in Fortinet FortiWeb version 6.2.2.

What is CVE-2020-6646?

This CVE describes an improper neutralization of input vulnerability in FortiWeb that enables a remote authenticated attacker to conduct a stored cross-site scripting (XSS) attack through the Disclaimer Description of a Replacement Message.

The Impact of CVE-2020-6646

The vulnerability can lead to the execution of unauthorized code or commands by an attacker.

Technical Details of CVE-2020-6646

FortiWeb 6.2.2 is susceptible to the following:

Vulnerability Description

Improper neutralization of input vulnerability
Allows a remote authenticated attacker to perform a stored XSS attack

Affected Systems and Versions

Product: Fortinet FortiWeb
Version: FortiWeb 6.2.2

Exploitation Mechanism

Attacker needs to be authenticated remotely
Exploitation occurs via the Disclaimer Description of a Replacement Message

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability:

Immediate Steps to Take

Apply vendor-provided patches or updates
Monitor and restrict access to the affected system
Educate users on safe browsing practices

Long-Term Security Practices

Regularly update and patch all software and systems
Conduct security assessments and penetration testing
Implement web application firewalls and input validation mechanisms

Patching and Updates

Fortinet has likely released patches or updates to address this vulnerability
Regularly check for security advisories and apply patches promptly