CVE-2022-39950 : What You Need to Know

An improper neutralization of input during web page generation vulnerability [CWE-79] exists in FortiManager and FortiAnalyzer versions 6.0.0, 6.2.0, 6.4.0 through 6.4.8, and 7.0.0 through 7.0.4. This vulnerability allows a low privilege level attacker to perform an XSS attack via posting a crafted CKeditor "protected" comment.

Understanding CVE-2022-39950

This section will cover the details of CVE-2022-39950, including its impact and technical details.

What is CVE-2022-39950?

The vulnerability in FortiManager and FortiAnalyzer versions allows an attacker with low privileges to execute an XSS attack by posting a crafted comment.

The Impact of CVE-2022-39950

The impact of this vulnerability is rated as high, affecting both confidentiality and integrity of the systems.

Technical Details of CVE-2022-39950

This section will dive into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises due to improper input neutralization during web page generation, enabling cross-site scripting (XSS) attacks.

Affected Systems and Versions

FortiManager versions 6.0.0 to 6.2.0, 6.4.0 to 6.4.8, and 7.0.0 to 7.0.4, along with FortiAnalyzer versions 6.0.0 to 6.2.0, 6.4.0 to 6.4.8, and 7.0.0 to 7.0.4 are impacted.

Exploitation Mechanism

An attacker with low privileges can exploit the vulnerability by posting a specially crafted CKeditor "protected" comment.

Mitigation and Prevention

Protecting systems against CVE-2022-39950 is crucial for maintaining security.

Immediate Steps to Take

Immediately update FortiManager and FortiAnalyzer to the latest versions to mitigate the vulnerability.

Long-Term Security Practices

Regularly monitor for security updates and patches released by Fortinet to address known vulnerabilities.

Patching and Updates

Always apply security patches and updates provided by Fortinet to ensure the ongoing protection of systems.