CVE-2024-23664

MEDIUMNVD 6.16.1—

6.1

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 v3: 6.1
EG Score: 6.1(medium)
EPSS: 56.4%
KEV: Not listed

Published

June 3, 2024

Last Modified

January 21, 2025

References (2)

psirt@fortinethttps://fortiguard.fortinet.com/psirt/FG-IR-23-465
af854a3a-2127-422b-91ae-364da2661108https://fortiguard.fortinet.com/psirt/FG-IR-23-465

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-601URL Redirection to Untrusted Site (Open Redirect)

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
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2026-05-26 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2024-23664?

CVE-2024-23664 is a medium vulnerability published on June 3, 2024. 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.

When was CVE-2024-23664 disclosed?

CVE-2024-23664 was first published in the National Vulnerability Database on June 3, 2024, with the most recent update on January 21, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-23664 actively exploited?

CVE-2024-23664 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 56.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-23664?

CVE-2024-23664 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2024-23664?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-23664, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2024-23664

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-23664?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)