CVE-2021-41024 : Exploit Details and Defense Strategies

A relative path traversal vulnerability in Fortinet FortiOS versions 7.0.0 and 7.0.1, and FortiProxy version 7.0.0 may allow unauthorized attackers to disclose sensitive information via a GET request on the login page.

Understanding CVE-2021-41024

This CVE pertains to a path traversal vulnerability in Fortinet products that could lead to unauthorized data disclosure.

What is CVE-2021-41024?

The CVE-2021-41024 vulnerability involves injecting path traversal character sequences via a GET request on the login page, potentially exposing sensitive server information.

The Impact of CVE-2021-41024

Base Score: 7.5 (High Severity)
Confidentiality Impact: High
Attack Vector: Network
Exploit Code Maturity: Functional
Temporal Score: 7.3 (High)
This vulnerability could allow attackers to escalate privileges and access confidential data.

Technical Details of CVE-2021-41024

This section provides specific technical details of the CVE.

Vulnerability Description

The vulnerability is a relative path traversal issue.

Affected Systems and Versions

Fortinet FortiOS 7.0.0 and 7.0.1
FortiProxy 7.0.0

Exploitation Mechanism

Attackers inject path traversal character sequences through a GET request on the login page.

Mitigation and Prevention

Protecting systems against CVE-2021-41024 is crucial for maintaining security.

Immediate Steps to Take

Update FortiOS and FortiProxy to non-vulnerable versions.
Restrict access to login pages.
Implement network level protections.

Long-Term Security Practices

Conduct regular security audits and assessments.
Educate users on safe browsing practices.
Monitor network traffic for suspicious activities.

Patching and Updates

Apply patches provided by Fortinet promptly to address this vulnerability.