CVE-2019-17652

MEDIUM

FortiClient < 6.2.1 - Stack Buffer Overflow via StartAvCustomScan IPC Request

Title source: llm

Description

A stack buffer overflow vulnerability in FortiClient for Linux 6.2.1 and below may allow a user with low privilege to cause FortiClient processes running under root priviledge crashes via sending specially crafted "StartAvCustomScan" type IPC client requests to the fctsched process due the argv data not been well sanitized.

References (2)

Core 2

Core References

Vendor Advisory x_refsource_confirm

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

Exploit, Third Party Advisory x_refsource_misc

https://danishcyberdefence.dk/blog/forticlient_linux

Scores

CVSS v3 6.5

EPSS 0.0052

EPSS Percentile 67.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-787

Status published

Products (1)

fortinet/forticlient < 6.2.1

Published Feb 06, 2020

Tracked Since Feb 18, 2026