TI-2017-05007 Aliases CVE-2017-7344 GHSA-ww53-p7m6-mpv2

A privilege escalation in Fortinet FortiClient Windows 5.4.3 and earlier as well as 5.6.0…

MEDIUM 41Published 2017-12-14 · Updated 2024-10-25

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0185 79th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Fortinet	FortiClientWindows	5.6.0, 5.4.3, 5.4.2, 5.4.1, 5.4.0	—	No fix listed	CNA

FortiClientWindows VendorFortinet Affected 5.6.0, 5.4.3, 5.4.2, 5.4.1, 5.4.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:fortinet:forticlient::::::windows::*	up to 5.4.3	Vulnerable	Fortinet
cpe:2.3:a:fortinet:forticlient:5.6.0:::::windows::	5.6.0	Vulnerable	Fortinet

cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:* Versions up to 5.4.3 Vulnerable ·Fortinet
cpe:2.3:a:fortinet:forticlient:5.6.0:*:*:*:*:windows:*:* Versions 5.6.0 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2017-7344
2026-10-03 Alias added: GHSA-ww53-p7m6-mpv2

References

Exploit 1

https://securite.intrinsec.com/2017/12/22/cve-2017-7344-fortinet-forticlient-windows-privilege-escalation-at-logon/

Advisory 1

https://fortiguard.com/advisory/FG-IR-17-070

TI-2019-13180 An unquoted service path vulnerability in the FortiClient FortiTray component of… CVSS 3.1CRITICAL 9.8
TI-2023-24393 Code injection in Fortinet FortiClientLinux CVSS 3.1CRITICAL 9.4
TI-2017-10335 Information disclosure in Fortinet FortiClient for Windows CVSS 3.0HIGH 8.8
TI-2016-06998 In FortiClientWindows 5.4.1 and 5.4.2, an attacker may escalate privilege via a FortiClientNamedPipe vulnerability. CVSS 3.0HIGH 8.8
TI-2019-03954 Untrusted search path in Fortinet FortiClientWindows CVSS 3.1HIGH 8.6
TI-2024-03415 DHCP routing options can manipulate interface-based VPN traffic CVSS 3.1HIGH 7.6

See all 85 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences