TI-2019-12139 Aliases CVE-2019-16152 GHSA-w9pw-cfwx-mjq5

Improper input validation in Fortinet FortiClientLinux

LOW 32CWE-20Published 2020-02-06 · Updated 2024-10-25

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A Denial of service (DoS) vulnerability in FortiClient for Linux 6.2.1 and below may allow an user with low privilege to cause FortiClient processes running under root privilege crashes via sending specially crafted IPC client requests to the fctsched process due the nanomsg not been correctly validated.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01381 72nd 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: 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	Fortinet FortiClientLinux	FortiClientLinux 6.2.1 and below	—	No fix listed	CNA

Fortinet FortiClientLinux VendorFortinet Affected FortiClientLinux 6.2.1 and below Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:fortinet:forticlient::::::linux::*	up to 6.2.1	Vulnerable	Fortinet

cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:* Versions up to 6.2.1 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-16152
2026-10-03 Alias added: GHSA-w9pw-cfwx-mjq5

References

Exploit 1

https://danishcyberdefence.dk/blog/forticlient_linux

Advisory 1

https://fortiguard.com/psirt/FG-IR-19-238

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