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.
Metrics
CVSS 3.1 6.5/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortinet FortiClientLinux | FortiClientLinux 6.2.1 and below |
References
- https://danishcyberdefence.dk/blog/forticlient_linuxExploit, Third Party Advisory
- https://fortiguard.com/psirt/FG-IR-19-238Vendor Advisory
- https://danishcyberdefence.dk/blog/forticlient_linuxExploit, Third Party Advisory
- https://fortiguard.com/psirt/FG-IR-19-238Vendor Advisory
Timeline
- Published
- Feb 6, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified