Vulnerability in Fortinet Forticlient
CVE-2019-16155
A privilege escalation vulnerability in FortiClient for Linux 6.2.1 and below may allow a user with low privilege to overwrite system files as root with arbitrary content through system backup file via specially crafted "BackupConfig" type IPC client requests to the fctsched process. Further more, FortiClient for Linux 6.2.2 and below allow low privilege user write the system backup file under root privilege through GUI thus can cause root system file overwrite.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (36.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Fortinet Forticlient
- Fortinet Forticlientlinux — versions FortiClientLinux 6.2.1 and below
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-2019-16155?
- CVE-2019-16155 is a high-severity vulnerability in Fortinet Forticlient. CVSS score: 7.1/10. Published 2020-02-07.
- How severe is CVE-2019-16155?
- High severity. CVSS v3 base score is 7.1 out of 10.