What is CVE-2024-33507?

CVE-2024-33507 is a high-severity vulnerability in Fortinet Fortiisolator, classified under Insufficient Session Expiration. CVSS score: 7.4/10. Published 2025-10-14.

How severe is CVE-2024-33507?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Fortinet Fortiisolator

CVE-2024-33507

An insufficient session expiration vulnerability [CWE-613] and an incorrect authorization vulnerability [CWE-863] in FortiIsolator 2.4.0 through 2.4.4, 2.3 all versions, 2.2.0, 2.1 all versions, 2.0 all versions authentication mechanism may allow remote unauthenticated attacker to deauthenticate logged in admins via crafted cookie and remote authenticated read-only attacker to gain write privilege via crafted cookie.

EPSS: 0.004 (29.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Fortinet Fortiisolator — versions 2.4.0, 2.3.0

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

psirt@fortinet.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-33507?: CVE-2024-33507 is a high-severity vulnerability in Fortinet Fortiisolator, classified under Insufficient Session Expiration. CVSS score: 7.4/10. Published 2025-10-14.
How severe is CVE-2024-33507?: High severity. CVSS v3 base score is 7.4 out of 10.