CVE-2024-23664

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-06-03 · updated 2026-06-17
Weakness: CWE-601

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.

Affected products

Fortinet FortiAuthenticator: from 6.4.0 before 6.5.4; 6.6.0 — fixed in 6.5.4

How to fix

Upgrade to a fixed version: Fortinet FortiAuthenticator 6.5.4. Check the vendor advisory for mitigations.

References

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

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