CVE-2023-22637 : Vulnerability Insights and Analysis

This CVE record was published by Fortinet on May 3, 2023, highlighting a vulnerability in FortiNAC software versions.

Understanding CVE-2023-22637

This CVE-2023-22637 vulnerability involves an improper neutralization of input during web page generation, also known as a 'Cross-site Scripting' vulnerability.

What is CVE-2023-22637?

The CVE-2023-22637 vulnerability in FortiNAC-F version 7.2.0 and FortiNAC versions 9.4.2 and below, 9.2, 9.1, 8.8, and 8.7 could allow an authenticated attacker to execute remote code using crafted licenses.

The Impact of CVE-2023-22637

The impact of this vulnerability is rated as medium severity with a CVSS base score of 5.9. It poses a high risk to confidentiality, integrity, and availability, requiring high privileges and user interaction for exploitation.

Technical Details of CVE-2023-22637

This section provides more insight into the vulnerability.

Vulnerability Description

The vulnerability allows an authenticated attacker to trigger remote code execution via specially crafted licenses.

Affected Systems and Versions

FortiNAC-F version 7.2.0
FortiNAC version 9.4.2 and below
FortiNAC version 9.2 (all versions)
FortiNAC version 9.1 (all versions)
FortiNAC version 8.8 (all versions)
FortiNAC version 8.7 (all versions)

Exploitation Mechanism

The vulnerability can be exploited by an authenticated attacker via crafted licenses, leading to remote code execution.

Mitigation and Prevention

It is essential to take immediate steps to address and prevent the CVE-2023-22637 vulnerability.

Immediate Steps to Take

Upgrade to the following versions:

FortiNAC-F version 7.2.1 or above
FortiNAC version 9.4.3 or above

Long-Term Security Practices

Regularly update and patch your FortiNAC software to prevent security vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by Fortinet to protect against potential threats.