TI-2024-22100 Aliases CVE-2024-33507 GHSA-q59r-m5g9-6m54

Insufficient session expiration in Fortinet FortiIsolator

MEDIUM 41CWE-613Published 2025-10-14 · Updated 2026-01-14

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: None · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-613.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00388 33rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Fortinet	FortiIsolator	2.4.0 – 2.4.4; 2.3.0 – 2.3.4	—	No fix listed	CNA

FortiIsolator VendorFortinet Affected 2.4.0 – 2.4.4; 2.3.0 – 2.3.4 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:fortinet:fortiisolator::::::::	2.3.0 to before 2.4.5	Vulnerable	Fortinet

cpe:2.3:a:fortinet:fortiisolator:*:*:*:*:*:*:*:* Versions 2.3.0 to before 2.4.5 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-33507
2026-10-03 Alias added: GHSA-q59r-m5g9-6m54

References

Advisory 1

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

TI-2020-05468 Insufficient session expiration in Fortinet FortiIsolator CVSS 3.1CRITICAL 9.8
TI-2024-36903 OS command injection in Fortinet FortiIsolator CVSS 3.1HIGH 8.6
TI-2021-17884 An improper access control vulnerability [CWE-284] in FortiIsolator versions 2.3.2 and… CVSS 3.1HIGH 8.8
TI-2022-06628 OS command injection in Fortinet FortiIsolator CVSS 3.1HIGH 7.8
TI-2024-36177 OS command injection in Fortinet FortiIsolator CVSS 3.1HIGH 7.0
TI-2024-36178 OS command injection in Fortinet FortiIsolator CVSS 3.1MEDIUM 6.5

See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences