What’s Vulnerable › Vulnerabilities

CVE-2019-17652

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-02-06 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• Fortinet FortiClientWindows: through 6.2.1

References

• https://danishcyberdefence.dk/blog/forticlient_linux
• https://fortiguard.com/psirt/FG-IR-19-238
• https://danishcyberdefence.dk/blog/forticlient_linux
• https://fortiguard.com/psirt/FG-IR-19-238

Get alerted when CVE-2019-17652 or the next vulnerability affects your stack