Fortinet FortiIsolator up to 2.3.4/2.4.4 Cookie session expiration

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Fortinet FortiIsolator up to 2.3.4/2.4.4. It has been rated as problematic. This impacts an unknown function of the component Cookie Handler. Performing a manipulation results in session expiration. This vulnerability was named CVE-2024-33507. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Fortinet FortiIsolator up to 2.3.4/2.4.4. This affects an unknown function of the component Cookie Handler. The manipulation with an unknown input leads to a session expiration vulnerability. CWE is classifying the issue as CWE-613. According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization." This is going to have an impact on integrity, and availability. The summary by CVE is:

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.

The advisory is shared at fortiguard.fortinet.com. This vulnerability is uniquely identified as CVE-2024-33507 since 04/23/2024. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔒

CNA Base Score: 7.4
CNA Vector (fortinet): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Session expiration
CWE: CWE-613
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/23/2024 CVE reserved
10/14/2025 +539 days Advisory disclosed
10/14/2025 +0 days VulDB entry created
10/16/2025 +2 days VulDB entry last update

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-24-062
Status: Confirmed

CVE: CVE-2024-33507 (🔒)
GCVE (CVE): GCVE-0-2024-33507
GCVE (VulDB): GCVE-100-328293

Entryinfo

Created: 10/14/2025 18:35
Updated: 10/16/2025 05:48
Changes: 10/14/2025 18:35 (63), 10/16/2025 05:48 (11)
Complete: 🔍
Cache ID: 216::103

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