CVE-2021-44171 Command injection in Fortinet FortiOS

What is CVE-2021-44171?

CVE-2021-44171 is a critical command injection vulnerability in Fortinet Fortios, published on 10 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-78

Which versions are affected by CVE-2021-44171?

It affects 1 product.

Products include Fortinet Fortios.

How do I fix CVE-2021-44171?

No fix has been published for CVE-2021-44171 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2021-44171 being exploited?

There is no known exploitation of CVE-2021-44171 in the wild and no public exploit code.

Other vulnerabilities in Fortinet Fortios

• CVE-2024-23113 Fortinet Multiple Products Format String Exploited Critical 9.8
• CVE-2022-40684 Fortinet Multiple Products Authentication Bypass Exploited Critical 9.8
• CVE-2024-55591 Fortinet FortiOS and FortiProxy Authentication Bypass Exploited Critical 9.6
• CVE-2024-21762 Fortinet FortiOS Out-of-Bound Write Exploited Critical 9.6
• CVE-2022-42475 Fortinet FortiOS Heap-Based Buffer Overflow Exploited Critical 9.3

All Fortinet Fortios vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-gm85-v466-h9x4.