Is CVE-2024-40591 being actively exploited?

CVE-2024-40591 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2024-40591?

CVE-2024-40591 has a CVSS 3.1 base score of 8.8 (HIGH).

CVE-2024-40591

HIGH · CVSS 8.8EPSS 0.6%EU EUVD

An incorrect privilege assignment vulnerability [CWE-266] in Fortinet FortiOS version 7.6.0, 7.4.0 through 7.4.4, 7.2.0 through 7.2.9 and before 7.0.15 allows an authenticated admin whose access profile has the Security Fabric permission to escalate their privileges to super-admin by connecting the targetted FortiGate to a malicious upstream FortiGate they control.

Key facts

CVSS score: 8.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-266
EPSS score: 0.6% (49th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2025-4981)
Published: February 11, 2025
NVD last modified: June 17, 2026
Status: Analyzed

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2025-4981 in the EU Vulnerability Database. Last updated in EUVD on February 26, 2026.

View on the EU Vulnerability Database

Affected products

fortinet / fortios
fortinet / fortios

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Fortinet, Inc. FortiOS 7.0.7 - Fortinet, Inc. - Common Criteria NSCIB-CC-0590233-CR - active

References

https://fortiguard.fortinet.com/psirt/FG-IR-24-302(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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