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 via CLI commands including special characters

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.011 (62.1th 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

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.