What is the severity of CVE-2017-7344?

The severity of CVE-2017-7344 is high with a CVSS score of 8.1.

Which versions of Fortinet FortiClient Windows are affected by CVE-2017-7344?

Fortinet FortiClient Windows 5.4.3 and earlier, as well as version 5.6.0, are affected by CVE-2017-7344.

How can an attacker gain privilege using CVE-2017-7344?

An attacker can gain privilege by exploiting the Windows 'security alert' dialog triggered by the 'VPN before logon' feature and an untrusted certificate chain.

Where can I find more information about CVE-2017-7344?

You can find more information about CVE-2017-7344 at the following references: [SecurityFocus](http://www.securityfocus.com/bid/102176), [Fortiguard Advisory](https://fortiguard.com/advisory/FG-IR-17-070), [Intrinsec](https://securite.intrinsec.com/2017/12/22/cve-2017-7344-fortinet-forticlient-windows-privilege-escalation-at-logon/).

Vulnerability/
CVE-2017-7344

high

8.1

14/12/2017

25/10/2024

CVE-2017-7344

Q: How does the privilege escalation in Fortinet FortiClient Windows occur?

The privilege escalation occurs when the 'VPN before logon' feature is enabled and an untrusted certificate chain is exploited, causing a Windows security alert dialog to pop up.

First published: Thu Dec 14 2017(Updated: )

A privilege escalation in Fortinet FortiClient Windows 5.4.3 and earlier as well as 5.6.0 allows attacker to gain privilege via exploiting the Windows "security alert" dialog thereby popping up when the "VPN before logon" feature is enabled and an untrusted certificate chain.

Credit: psirt@fortinet.com

Affected Software	Affected Version	How to fix
Fortinet FortiClient Windows	<=5.4.3
Fortinet FortiClient Windows	=5.6.0

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Frequently Asked Questions

What is the severity of CVE-2017-7344?
The severity of CVE-2017-7344 is high with a CVSS score of 8.1.
How does the privilege escalation in Fortinet FortiClient Windows occur?
The privilege escalation occurs when the 'VPN before logon' feature is enabled and an untrusted certificate chain is exploited, causing a Windows security alert dialog to pop up.
Which versions of Fortinet FortiClient Windows are affected by CVE-2017-7344?
Fortinet FortiClient Windows 5.4.3 and earlier, as well as version 5.6.0, are affected by CVE-2017-7344.
How can an attacker gain privilege using CVE-2017-7344?
An attacker can gain privilege by exploiting the Windows 'security alert' dialog triggered by the 'VPN before logon' feature and an untrusted certificate chain.
Where can I find more information about CVE-2017-7344?
You can find more information about CVE-2017-7344 at the following references: [SecurityFocus](http://www.securityfocus.com/bid/102176), [Fortiguard Advisory](https://fortiguard.com/advisory/FG-IR-17-070), [Intrinsec](https://securite.intrinsec.com/2017/12/22/cve-2017-7344-fortinet-forticlient-windows-privilege-escalation-at-logon/).

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vendor/fortinet
canonical/fortinet forticlient windows
version/fortinet forticlient windows/5.4.3
version/fortinet forticlient windows/5.6.0

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