What is CVE-2021-24016?

CVE-2021-24016 is an vulnerability in Fortinet FortiManager version 6.4.3 and below, 6.2.7 and below that allows an attacker to execute arbitrary commands via a crafted IPv4 field in a policy name when exported as an Excel file and opened unsafely on the victim host.

What is the severity of CVE-2021-24016?

CVE-2021-24016 has a severity rating of 6.3, which is classified as critical.

How does CVE-2021-24016 affect Fortinet FortiManager?

CVE-2021-24016 affects Fortinet FortiManager versions 6.4.3 and below, 6.2.7 and below.

How can an attacker exploit CVE-2021-24016?

An attacker can exploit CVE-2021-24016 by crafting a malicious IPv4 field in a policy name, exporting it as an Excel file, and tricking the victim into opening it unsafely.

Is there a fix available for CVE-2021-24016?

Fortinet has released a fix for CVE-2021-24016 in FortiManager version 6.4.4 and FortiManager version 6.2.8.

Vulnerability/
CVE-2021-24016

critical

9.3

CWE

1236

7/9/2021

30/9/2021

25/10/2024

CVE-2021-24016: Excel formula injection in P&O IPv4 Policy names Vulnerability

First published: Tue Sep 07 2021(Updated: )

An improper neutralization of formula elements in a csv file in Fortinet FortiManager version 6.4.3 and below, 6.2.7 and below allows attacker to execute arbitrary commands via crafted IPv4 field in policy name, when exported as excel file and opened unsafely on the victim host.

Credit: psirt@fortinet.com

Affected Software	Affected Version	How to fix
Fortinet FortiManager	<6.2.8
Fortinet FortiManager	>=6.4.0<6.4.4

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Frequently Asked Questions

What is CVE-2021-24016?
CVE-2021-24016 is an vulnerability in Fortinet FortiManager version 6.4.3 and below, 6.2.7 and below that allows an attacker to execute arbitrary commands via a crafted IPv4 field in a policy name when exported as an Excel file and opened unsafely on the victim host.
What is the severity of CVE-2021-24016?
CVE-2021-24016 has a severity rating of 6.3, which is classified as critical.
How does CVE-2021-24016 affect Fortinet FortiManager?
CVE-2021-24016 affects Fortinet FortiManager versions 6.4.3 and below, 6.2.7 and below.
How can an attacker exploit CVE-2021-24016?
An attacker can exploit CVE-2021-24016 by crafting a malicious IPv4 field in a policy name, exporting it as an Excel file, and tricking the victim into opening it unsafely.
Is there a fix available for CVE-2021-24016?
Fortinet has released a fix for CVE-2021-24016 in FortiManager version 6.4.4 and FortiManager version 6.2.8.

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collector/fortiguard-psirt-latest
source/FortiGuard
alias/CVE-2021-24016
collector/fortiguard-psirt
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agent/severity
agent/title
agent/first-publish-date
agent/description
agent/event
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collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/source
vendor/fortinet
canonical/fortinet fortimanager
version/fortinet fortimanager/6.4.0

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