CVE-2024-33507

Published Oct 14, 2025 CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Fortinet

FortiIsolator

unaffected

Version	Status	Constraints
`2.4.0`	affected	≤ 2.4.4
`2.3.0`	affected	≤ 2.3.4

Configuration 1 [-]

cpe:2.3:a:fortinet:fortiisolator:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Upgrade to FortiIsolator version 3.0.0 or above Upgrade to FortiIsolator version 2.4.5 or above

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.388% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

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

History

Oct 15, 2025 5:45 PM Affected versions updated View changes

Type	Values Removed	Values Added
CPEs		cpe:2.3:a:fortinet:fortiisolator::::::::

Oct 14, 2025 6:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Oct 14, 2025 3:45 PM Description updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
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.
First Time appeared		Fortinet Fortinet fortiisolator
Weaknesses		CWE-613
CPEs		cpe:2.3:a:fortinet:fortiisolator:2.3.0:::::::* cpe:2.3:a:fortinet:fortiisolator:2.3.1:::::::* cpe:2.3:a:fortinet:fortiisolator:2.3.2:::::::* cpe:2.3:a:fortinet:fortiisolator:2.3.3:::::::* cpe:2.3:a:fortinet:fortiisolator:2.3.4:::::::* cpe:2.3:a:fortinet:fortiisolator:2.4.0:::::::* cpe:2.3:a:fortinet:fortiisolator:2.4.1:::::::* cpe:2.3:a:fortinet:fortiisolator:2.4.2:::::::* cpe:2.3:a:fortinet:fortiisolator:2.4.3:::::::* cpe:2.3:a:fortinet:fortiisolator:2.4.4:::::::*
Vendors & Products		Fortinet Fortinet fortiisolator
References		https://fortiguard.fortinet.com/psirt/FG-IR-24-062
Metrics		cvssV3_1 `{'score': 7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H/E:P/RL:X/RC:X'}`