CVE-2020-15937 : Vulnerability Insights and Analysis

An improper neutralization of input vulnerability in FortiGate versions 6.2.x below 6.2.5 and 6.4.x below 6.4.1 may allow a remote attacker to perform a stored cross-site scripting attack (XSS) via the IPS and WAF logs dashboard.

Understanding CVE-2020-15937

This CVE involves an input vulnerability in FortiGate that could lead to a stored XSS attack.

What is CVE-2020-15937?

This CVE identifies a security flaw in FortiGate versions 6.2.x below 6.2.5 and 6.4.x below 6.4.1 that could be exploited by a remote attacker for a stored cross-site scripting attack through the IPS and WAF logs dashboard.

The Impact of CVE-2020-15937

The vulnerability poses a medium severity risk with a CVSS base score of 4.7. If successfully exploited, an attacker could execute unauthorized code or commands.

Technical Details of CVE-2020-15937

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability stems from an improper neutralization of input in FortiGate, enabling a stored XSS attack via the IPS and WAF logs dashboard.

Affected Systems and Versions

Product: Fortinet FortiOS
Vendor: Fortinet
Versions Affected: FortiOS 6.4.1, 6.2.5

Exploitation Mechanism

The vulnerability allows a remote attacker to execute a stored cross-site scripting attack by manipulating input in the IPS and WAF logs dashboard.

Mitigation and Prevention

Protecting systems from CVE-2020-15937 is crucial for maintaining security.

Immediate Steps to Take

Apply patches provided by Fortinet promptly.
Monitor security advisories for updates and follow best practices for secure configurations.

Long-Term Security Practices

Regularly update and patch FortiGate systems to mitigate known vulnerabilities.
Implement network segmentation and access controls to limit exposure to potential attacks.

Patching and Updates

Stay informed about security updates and patches released by Fortinet to address CVE-2020-15937.