CVE-2024-23664

🔶 medium

Summary

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.

CVSS Score

6.1

Medium

EPSS Score

0.3

Exploit Probability

Published Date

2024-06-03

First Seen: 2026-01-05

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 39.0% of all 321,566 vulnerabilities in our database.

#196,174

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: Jun 3, 2024

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

SSVC data provided by CISA

Last Modified 2025-01-21

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-601

📦 Affected Products 2

Vendor	Product	Status	Affected Versions
fortinet	fortiauthenticator	Affected	≥ 6.4.0 < 6.5.4
fortinet	fortiauthenticator	Affected	v6.6.0

🔗 References 1

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

Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-44277	⛔ critical	9.8	0.1	A improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthenticat...	2026-05-12
CVE-2026-21743	⚠️ high	7.2	0.0	A missing authorization vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all ver...	2026-02-10
CVE-2025-57823	ℹ️ low	2.7	0.0	A direct request ('forced browsing') vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticato...	2025-12-09
CVE-2025-59923	ℹ️ low	2.7	0.0	An improper access control vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all ...	2025-12-09
CVE-2022-23439	🔶 medium	4.7	0.1	A externally controlled reference to a resource in another sphere vulnerability in Fortinet allows attacker to poison w...	2025-01-22
CVE-2022-22302	🔶 medium	5.3	0.1	A clear text storage of sensitive information (CWE-312) vulnerability in both FortiGate version 6.4.0 through 6.4.1, 6.2...	2023-07-11

These CVEs affect the same products