TI-2018-06678 Aliases CVE-2018-9195 GHSA-grw5-hmpf-442m

Hard-coded credentials in Fortinet FortiClient for Windows

LOW 30CWE-798Published 2019-11-21 · Updated 2024-10-25

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-798.

Summary

Use of a hardcoded cryptographic key in the FortiGuard services communication protocol may allow a Man in the middle with knowledge of the key to eavesdrop on and modify information (URL/SPAM services in FortiOS 5.6, and URL/SPAM/AV services in FortiOS 6.0.; URL rating in FortiClient) sent and received from Fortiguard severs by decrypting these messages. Affected products include FortiClient for Windows 6.0.6 and below, FortiOS 6.0.7 and below, FortiClient for Mac OS 6.2.1 and below.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01581 75th percentileScored 2026-11-07

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: Partial

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	FortiClient for Windows	FortiClient for Windows 6.0.6 and below	—	No fix listed	CNA
Fortinet	FortiOS	FortiOS 6.0.7 and below	—	No fix listed	CNA
Fortinet	FortiClient for Mac OS	FortiClient for Mac OS 6.2.1 and below	—	No fix listed	CNA

FortiClient for Windows VendorFortinet Affected FortiClient for Windows 6.0.6 and below Fixed in — No fix listed CNA
FortiOS VendorFortinet Affected FortiOS 6.0.7 and below Fixed in — No fix listed CNA
FortiClient for Mac OS VendorFortinet Affected FortiClient for Mac OS 6.2.1 and below Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:fortinet:forticlient::::::windows::*	up to 6.0.6	Vulnerable	Fortinet
cpe:2.3:a:fortinet:forticlient::::::macos::*	up to 6.2.1	Vulnerable	Fortinet
cpe:2.3:o:fortinet:fortios::::::::	up to 6.0.6	Vulnerable	Fortinet

cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:* Versions up to 6.0.6 Vulnerable ·Fortinet
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:macos:*:* Versions up to 6.2.1 Vulnerable ·Fortinet
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* Versions up to 6.0.6 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-9195
2026-10-03 Alias added: GHSA-grw5-hmpf-442m

References

Advisory 1

https://fortiguard.com/advisory/FG-IR-18-100

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-2017-05007 A privilege escalation in Fortinet FortiClient Windows 5.4.3 and earlier as well as 5.6.0… CVSS 3.0HIGH 8.1

See all 85 →

Sources

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