What is the severity of FG-IR-23-261?

The severity of FG-IR-23-261 is critical due to potential arbitrary code execution by an attacker.

How do I fix FG-IR-23-261?

To fix FG-IR-23-261, update FortiOS, FortiProxy, FortiPAM, and FortiSwitchManager to the latest available versions that include the security patches.

Who is affected by FG-IR-23-261?

FG-IR-23-261 affects users of FortiOS, FortiProxy, FortiPAM, and FortiSwitchManager.

What type of vulnerability is FG-IR-23-261?

FG-IR-23-261 is classified as a use of externally-controlled format string vulnerability.

What can an attacker do with FG-IR-23-261?

An attacker exploiting FG-IR-23-261 can execute arbitrary code or commands through specially crafted requests.

Vulnerability/
FG-IR-23-261

medium

6.3

11/2/2025

12/2/2025

FG-IR-23-261: FortiOS / FortiProxy / FortiPAM / FortiSwitchManager - Format string vulnerability in CLI commands

First published: Tue Feb 11 2025(Updated: )

A use of externally-controlled format string vulnerability [CWE-134] in FortiOS, FortiProxy, FortiPAM & FortiSwitchManager CLI may allow a privileged attacker to execute arbitrary code or commands via specially crafted requests.

Affected Software	Affected Version	How to fix
Fortinet FortiOS IPS Engine
Fortinet FortiProxy
FortiGuard FortiPAM
Fortinet FortiSwitchManager

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Frequently Asked Questions

What is the severity of FG-IR-23-261?
The severity of FG-IR-23-261 is critical due to potential arbitrary code execution by an attacker.
How do I fix FG-IR-23-261?
To fix FG-IR-23-261, update FortiOS, FortiProxy, FortiPAM, and FortiSwitchManager to the latest available versions that include the security patches.
Who is affected by FG-IR-23-261?
FG-IR-23-261 affects users of FortiOS, FortiProxy, FortiPAM, and FortiSwitchManager.
What type of vulnerability is FG-IR-23-261?
FG-IR-23-261 is classified as a use of externally-controlled format string vulnerability.
What can an attacker do with FG-IR-23-261?
An attacker exploiting FG-IR-23-261 can execute arbitrary code or commands through specially crafted requests.

agent/last-modified-date
agent/source
agent/type
agent/first-publish-date
collector/fortiguard-psirt
source/FortiGuard
alias/CVE-2023-40721
agent/severity
agent/title
agent/references
agent/description
agent/softwarecombine
agent/tags
collector/fortiguard-psirt-latest
agent/event
agent/guess-ai
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/fortinet
canonical/fortinet fortios ips engine
canonical/fortinet fortiproxy
canonical/fortiguard fortipam
canonical/fortinet fortiswitchmanager

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