CVE-2021-44171

Description

A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiOS version 6.0.0 through 6.0.14, FortiOS version 6.2.0 through 6.2.10, FortiOS version 6.4.0 through 6.4.8, FortiOS version 7.0.0 through 7.0.3 allows attacker to execute privileged commands on a linked FortiSwitch via diagnostic CLI commands.

Category

9.0
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.25%
Vendor Advisory fortiguard.com
Affected: Fortinet Fortinet FortiOS
Published at:
Updated at:

References

Link Tags
https://fortiguard.com/psirt/FG-IR-21-242 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-44171?
CVE-2021-44171 has been scored as a critical severity vulnerability.
How to fix CVE-2021-44171?
To fix CVE-2021-44171, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-44171 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-44171 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-44171?
CVE-2021-44171 affects Fortinet Fortinet FortiOS.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.