What is CVE-2021-41016?

CVE-2021-41016 is a high-severity vulnerability in Fortinet Fortiextender, classified under OS Command Injection. CVSS score: 7.8/10. Published 2022-02-02.

How severe is CVE-2021-41016?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in Fortinet Fortiextender

CVE-2021-41016

A improper neutralization of special elements used in a command ('command injection') in Fortinet FortiExtender version 7.0.1 and below, 4.2.3 and below, 4.1.7 and below allows an authenticated attacker to execute privileged shell commands…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.011 (60.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fortinet Fortiextender
Fortinet Fortiextender_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

psirt@fortinet.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-41016?: CVE-2021-41016 is a high-severity vulnerability in Fortinet Fortiextender, classified under OS Command Injection. CVSS score: 7.8/10. Published 2022-02-02.
How severe is CVE-2021-41016?: High severity. CVSS v3 base score is 7.8 out of 10.