TI-2024-20853 Aliases CVE-2024-31489 GHSA-x3xw-jp2m-77mv

Improper certificate validation in Fortinet FortiClientMac

LOW 37CWE-295Published 2024-09-10 · Updated 2024-09-10

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-295.

Summary

AAn improper certificate validation vulnerability [CWE-295] in FortiClientWindows 7.2.0 through 7.2.2, 7.0.0 through 7.0.11, FortiClientLinux 7.2.0, 7.0.0 through 7.0.11 and FortiClientMac 7.0.0 through 7.0.11, 7.2.0 through 7.2.4 may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the FortiGate and the FortiClient during the ZTNA tunnel creation

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00365 30th 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: 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	FortiClientMac	7.2.0 – 7.2.4; 7.0.0 – 7.0.11	—	No fix listed	CNA
Fortinet	FortiClientEMS	7.0.0 – 7.0.13	—	No fix listed	CNA
Fortinet	FortiClientLinux	7.2.0; 7.0.0 – 7.0.11	—	No fix listed	CNA
Fortinet	FortiClientWindows	7.2.0 – 7.2.2; 7.0.0 – 7.0.11	—	No fix listed	CNA

FortiClientMac VendorFortinet Affected 7.2.0 – 7.2.4; 7.0.0 – 7.0.11 Fixed in — No fix listed CNA
FortiClientEMS VendorFortinet Affected 7.0.0 – 7.0.13 Fixed in — No fix listed CNA
FortiClientLinux VendorFortinet Affected 7.2.0; 7.0.0 – 7.0.11 Fixed in — No fix listed CNA
FortiClientWindows VendorFortinet Affected 7.2.0 – 7.2.2; 7.0.0 – 7.0.11 Fixed in — No fix listed CNA

CPE configurations NVD · 5

CPE	Versions	Role	Vendor
cpe:2.3:a:fortinet:forticlient::::::linux::*	7.0.0 to before 7.0.12	Vulnerable	Fortinet
cpe:2.3:a:fortinet:forticlient::::::macos::*	7.0.0 to before 7.0.12	Vulnerable	Fortinet
cpe:2.3:a:fortinet:forticlient::::::windows::*	7.0.0 to before 7.0.12; 7.2.0 to before 7.2.3	Vulnerable	Fortinet
cpe:2.3:a:fortinet:forticlient::::::macos::*	7.2.0 to before 7.2.5	Vulnerable	Fortinet
cpe:2.3:a:fortinet:forticlient:7.2.0:::::linux::	7.2.0	Vulnerable	Fortinet

cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:* Versions 7.0.0 to before 7.0.12 Vulnerable ·Fortinet
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:macos:*:* Versions 7.0.0 to before 7.0.12 Vulnerable ·Fortinet
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:* Versions 7.0.0 to before 7.0.12; 7.2.0 to before 7.2.3 Vulnerable ·Fortinet
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:macos:*:* Versions 7.2.0 to before 7.2.5 Vulnerable ·Fortinet
cpe:2.3:a:fortinet:forticlient:7.2.0:*:*:*:*:linux:*:* Versions 7.2.0 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-31489
2026-10-03 Alias added: GHSA-x3xw-jp2m-77mv

References

Advisory 1

https://fortiguard.fortinet.com/psirt/FG-IR-22-282

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