Advisory Published


First published: Tue Nov 14 2023(Updated: )

A incorrect authorization in Fortinet FortiClient (Windows) 7.0.0 - 7.0.7, 6.4.0 - 6.4.9, 6.2.0 - 6.2.9 and 6.0.0 - 6.0.10 allows an attacker to cause denial of service via sending a crafted request to a specific named pipe.

Credit: psirt@fortinet.com

Affected SoftwareAffected VersionHow to fix
Fortinet FortiClient Windows>=6.0.0<=6.0.10
Fortinet FortiClient Windows>=6.2.0<=6.2.9
Fortinet FortiClient Windows>=6.4.0<=6.4.8
Fortinet FortiClient Windows>=7.0.0<=7.0.7

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Frequently Asked Questions

  • What is CVE-2022-40681?

    CVE-2022-40681 is a vulnerability in Fortinet FortiClient (Windows) that allows an attacker to cause denial of service.

  • What is the severity of CVE-2022-40681?

    CVE-2022-40681 has a severity value of 7.1 (high).

  • Which versions of Fortinet FortiClient (Windows) are affected by CVE-2022-40681?

    Fortinet FortiClient (Windows) versions 7.0.0 - 7.0.7, 6.4.0 - 6.4.9, 6.2.0 - 6.2.9, and 6.0.0 - 6.0.10 are affected by CVE-2022-40681.

  • How can an attacker exploit CVE-2022-40681?

    An attacker can exploit CVE-2022-40681 by sending a crafted request to a specific named pipe.

  • Is there a fix for CVE-2022-40681?

    Fortinet has released a security advisory with mitigation steps for CVE-2022-40681. Please refer to the FortiGuard advisory for more information.


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