RCE in Fortinet Forticlient
CVE-2021-22127
An improper input validation vulnerability in FortiClient for Linux 6.4.x before 6.4.3, FortiClient for Linux 6.2.x before 6.2.9 may allow an unauthenticated attacker to execute arbitrary code on the host operating system as root via tricking the user into connecting to a network with a malicious name.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (40.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Fortinet Forticlient
- Fortinet Forticlientlinux — versions FortiClientLinux 6.4.2 and below, FortiClientLinux 6.2.8 and below
Weakness classification (CWE)
References
- fortiguard.com/advisory/FG-IR-20-241 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22127?
- CVE-2021-22127 is a high-severity vulnerability in Fortinet Forticlient, classified under OS Command Injection. CVSS score: 7.1/10. Published 2022-04-06.
- How severe is CVE-2021-22127?
- High severity. CVSS v3 base score is 7.1 out of 10.