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.

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)

EPSS: 0.005 (38.5th percentile) — read the EPSS interpretation.

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.

Affected products

Fortinet Forticlient
Fortinet Forticlientlinux — versions FortiClientLinux 6.4.2 and below, FortiClientLinux 6.2.8 and below

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

psirt@fortinet.com (x_refsource_CONFIRM, 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.