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Vulnerability record · CVE-2024-33507 · published 14 October 2025

CVE-2024-33507: Fortinet fortiisolator insufficient session expiration vulnerability

Fortinet · Fortiisolator

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.

9.1 CVSS 3.1 Critical EPSS 0.39% · top 69.7% CWE-613 · Insufficient session expiration
9.1CVSS 3.1 base score
0.39%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://fortiguard.fortinet.com/psirt/FG-IR-24-062 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-6649Fortinet fortiisolator insufficient session expiration vulnerabilityAn insufficient session expiration vulnerability in FortiNet's FortiIsolator version 2.0.1 and below may allow an attacker to reuse the unexpired adm…EPSS 1.5%8.8CVE-2024-55590Fortinet fortiisolator os command injection vulnerabilityMultiple improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerabilities [CWE-78] in Fortinet FortiIsolato…EPSS 1.0%8.8CVE-2021-41020Fortinet fortiisolator vulnerabilityAn improper access control vulnerability [CWE-284] in FortiIsolator versions 2.3.2 and below may allow an authenticated, non privileged attacker to r…EPSS 0.61%7.8CVE-2022-22298Fortinet fortiisolator os command injection vulnerabilityA improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiIsolator version 1.0.0, FortiIsolator v…EPSS 0.46%7.2CVE-2024-54024Fortinet fortiisolator os command injection vulnerabilityAn improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in Fortinet FortiIsolator before…EPSS 1.2%6.7CVE-2024-27779Fortinet fortiisolator insufficient session expiration vulnerabilityAn insufficient session expiration vulnerability [CWE-613] in FortiSandbox FortiSandbox version 4.4.4 and below, version 4.2.6 and below, 4.0 all ver…EPSS 0.47%6.7CVE-2024-54025Fortinet fortiisolator os command injection vulnerabilityAn improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in Fortinet FortiIsolator CLI be…EPSS 0.45%5.4CVE-2020-6643Fortinet fortiisolator cross-site scripting vulnerabilityAn improper neutralization of input vulnerability in the URL Description in Fortinet FortiIsolator version 1.2.2 allows a remote authenticated attack…EPSS 0.84%

Source: NIST National Vulnerability Database (record CVE-2024-33507), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.