CVE-2024-23664: fortiauthenticator Open Redirect — Fix

Description

A URL redirection to untrusted site ('open redirect') in Fortinet FortiAuthenticator version 6.6.0, version 6.5.3 and below, version 6.4.9 and below may allow an attacker to to redirect users to an arbitrary website via a crafted URL.

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-601 CWE-601

Affected Products

Vendor	Product	Versions
fortinet	fortiauthenticator	6.4.0 — 6.5.4
fortinet	fortiauthenticator	All

References

Advisories & Patches

https://fortiguard.fortinet.com/psirt/FG-IR-23-465 https://fortiguard.fortinet.com/psirt/FG-IR-23-465

Frequently Asked Questions

What is CVE-2024-23664? +

A URL redirection to untrusted site ('open redirect') in Fortinet FortiAuthenticator version 6.6.0, version 6.5.3 and below, version 6.4.9 and below may allow an attacker to to redirect users to an arbitrary website via a crafted URL. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2024-23664? +

CVE-2024-23664 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-23664? +

CVE-2024-23664 affects products from fortinet, specifically: fortiauthenticator. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-23664? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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