CVE-2021-41027 : Vulnerability Insights and Analysis

A stack-based buffer overflow vulnerability in Fortinet FortiWeb versions 6.4.1 and 6.4.0 allows attackers to execute unauthorized code or commands.

Understanding CVE-2021-41027

This CVE involves a critical vulnerability in Fortinet FortiWeb that can lead to remote code execution.

What is CVE-2021-41027?

A stack-based buffer overflow in Fortinet FortiWeb versions 6.4.1 and 6.4.0
Attackers can exploit this by loading crafted certificates into the device

The Impact of CVE-2021-41027

CVSS Base Score: 7.3 (High Severity)
Attack Vector: Local
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2021-41027

This section provides deeper insights into the nature of the vulnerability.

Vulnerability Description

The vulnerability allows authenticated attackers to execute unauthorized code or commands

Affected Systems and Versions

Fortinet FortiWeb 6.4.1, 6.4.0

Exploitation Mechanism

Attackers with low privileges can exploit this vulnerability by using crafted certificates

Mitigation and Prevention

Protect your systems from CVE-2021-41027 with these mitigation strategies.

Immediate Steps to Take

Update Fortinet FortiWeb to a patched version
Implement network segmentation to limit exposure
Monitor and block malicious traffic

Long-Term Security Practices

Regularly update and patch all software and systems
Conduct security audits and penetration testing

Patching and Updates

Fortinet has released patches to address this vulnerability
Apply the latest updates and security patches provided by Fortinet