What is CVE-2019-16152?

CVE-2019-16152 is a medium-severity vulnerability in Fortinet Forticlient, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2020-02-06.

How severe is CVE-2019-16152?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Fortinet Forticlient

CVE-2019-16152

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2020-02-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.014 (71.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Fortinet Forticlient
Fortinet Forticlientlinux — versions FortiClientLinux 6.2.1 and below

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

fortiguard.com/psirt/FG-IR-19-238 (Vendor Advisory)
danishcyberdefence.dk/blog/forticlient_linux (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-16152?: CVE-2019-16152 is a medium-severity vulnerability in Fortinet Forticlient, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2020-02-06.
How severe is CVE-2019-16152?: Medium severity. CVSS v3 base score is 6.5 out of 10.