What is the severity of CVE-2021-41016?

CVE-2021-41016 has been classified as a critical severity vulnerability due to its potential to allow unauthorized command execution.

How do I fix CVE-2021-41016?

To mitigate CVE-2021-41016, upgrade Fortinet FortiExtender firmware to version 4.1.8 or later, 4.2.4 or later, or 7.0.2 or later.

Who is affected by CVE-2021-41016?

CVE-2021-41016 affects users running Fortinet FortiExtender firmware versions 7.0.1 and below, 4.2.3 and below, or 4.1.7 and below.

What type of attack does CVE-2021-41016 allow?

CVE-2021-41016 allows authenticated attackers to execute privileged shell commands through command injection.

Is CVE-2021-41016 a local or remote vulnerability?

CVE-2021-41016 is a local vulnerability, as it requires authentication to exploit.

Vulnerability/
CVE-2021-41016

critical

CWE

78 77

1/2/2022

2/2/2022

25/10/2024

CVE-2021-41016: Arbitrary command execution because of missing CLI input sanitization

First published: Tue Feb 01 2022(Updated: )

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

Credit: psirt@fortinet.com

Affected Software	Affected Version	How to fix
Fortinet Fortiextender Firmware	>=4.1.1<4.1.8
Fortinet Fortiextender Firmware	>=4.2.0<4.2.4
Fortinet Fortiextender Firmware	>=7.0.0<7.0.2
Fortinet FortiExtender

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-41016?
CVE-2021-41016 has been classified as a critical severity vulnerability due to its potential to allow unauthorized command execution.
How do I fix CVE-2021-41016?
To mitigate CVE-2021-41016, upgrade Fortinet FortiExtender firmware to version 4.1.8 or later, 4.2.4 or later, or 7.0.2 or later.
Who is affected by CVE-2021-41016?
CVE-2021-41016 affects users running Fortinet FortiExtender firmware versions 7.0.1 and below, 4.2.3 and below, or 4.1.7 and below.
What type of attack does CVE-2021-41016 allow?
CVE-2021-41016 allows authenticated attackers to execute privileged shell commands through command injection.
Is CVE-2021-41016 a local or remote vulnerability?
CVE-2021-41016 is a local vulnerability, as it requires authentication to exploit.

collector/nvd-index
agent/weakness
agent/type
agent/softwarecombine
agent/author
collector/fortiguard-psirt-latest
source/FortiGuard
alias/CVE-2021-41016
collector/fortiguard-psirt
agent/references
agent/severity
agent/title
agent/first-publish-date
agent/description
agent/event
agent/tags
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/source
vendor/fortinet
canonical/fortinet fortiextender firmware
version/fortinet fortiextender firmware/4.1.1
version/fortinet fortiextender firmware/4.2.0
version/fortinet fortiextender firmware/7.0.0
canonical/fortinet fortiextender

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