Fortinet FortiClientWindows up to 7.2.9/7.4.3 exposed ioctl with insufficient access control

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Fortinet FortiClientWindows up to 7.2.9/7.4.3 and classified as critical. This affects an unknown function. The manipulation results in exposed ioctl with insufficient access control. This vulnerability was named CVE-2025-47761. The attack needs to be approached locally. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Fortinet FortiClientWindows up to 7.2.9/7.4.3. Affected is an unknown code. The manipulation with an unknown input leads to a exposed ioctl with insufficient access control vulnerability. CWE is classifying the issue as CWE-782. The product implements an IOCTL with functionality that should be restricted, but it does not properly enforce access control for the IOCTL. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An Exposed IOCTL with Insufficient Access Control vulnerability [CWE-782] vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.9 may allow an authenticated local user to execute unauthorized code via fortips driver. Success of the attack would require bypassing the Windows memory protections such as Heap integrity and HSP. In addition, it requires a valid and running VPN IPSec connection.

The advisory is shared for download at fortiguard.fortinet.com. This vulnerability is traded as CVE-2025-47761 since 05/09/2025. The exploitability is told to be difficult. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Upgrading to version 7.2.10 or 7.4.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-198021). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (fortinet): 🔒

CVSSv2info

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

Exploitinginfo

Class: Exposed ioctl with insufficient access control
CWE: CWE-782
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

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: 🔒

Upgrade: FortiClientWindows 7.2.10/7.4.4

Timelineinfo

05/09/2025 CVE reserved
11/18/2025 +193 days Advisory disclosed
11/18/2025 +0 days VulDB entry created
02/05/2026 +79 days VulDB entry last update

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-25-112
Status: Confirmed

CVE: CVE-2025-47761 (🔒)
GCVE (CVE): GCVE-0-2025-47761
GCVE (VulDB): GCVE-100-332868
EUVD: 🔒

Entryinfo

Created: 11/18/2025 20:28
Updated: 02/05/2026 09:54
Changes: 11/18/2025 20:28 (61), 12/16/2025 12:44 (1), 12/16/2025 13:54 (1), 02/05/2026 09:51 (2), 02/05/2026 09:54 (4)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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