---
id: CVE-2023-29181
title: >-
  A use of externally-controlled format string vulnerability in Fortinet FortiOS
  7.2.0 through 7.2.4, FortiOS 7.0.0 through 7.0.11, FortiOS 6.4.0 through
  6.4.12, FortiOS 6.2.0 through 6.2.14, FortiOS 6.0.0 through 6.0.16, FortiOS
  5.6 all v…
summary: >-
  A use of externally-controlled format string vulnerability in Fortinet FortiOS
  7.2.0 through 7.2.4, FortiOS 7.0.0 through 7.0.11, FortiOS 6.4.0 through
  6.4.12, FortiOS 6.2.0 through 6.2.14, FortiOS 6.0.0 through 6.0.16, FortiOS
  5.6 all v…
severity: high
cvss: 8.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C'
cvssSource: cna
cwe:
  - CWE-134
vendor: Fortinet
product: FortiOS
affected:
  - FortiOS >= 7.2.0 <= 7.2.4
  - FortiOS >= 7.0.0 <= 7.0.11
  - FortiOS >= 6.4.0 <= 6.4.12
  - FortiOS >= 6.2.0 <= 6.2.14
  - FortiOS >= 6.0.0 <= 6.0.16
  - FortiOS >= 5.6.0 <= 5.6.14
  - FortiOS >= 5.4.0 <= 5.4.13
  - FortiOS >= 5.2.0 <= 5.2.15
  - FortiOS >= 5.0.0 <= 5.0.14
  - FortiOS >= 4.3.0 <= 4.3.19
  - FortiOS >= 4.2.0 <= 4.2.16
  - FortiOS >= 4.1.1 <= 4.1.11
  - FortiOS >= 4.0.0 <= 4.0.4
  - FortiPAM >= 1.0.0 <= 1.0.3
  - FortiProxy >= 7.2.0 <= 7.2.4
  - FortiProxy >= 7.0.0 <= 7.0.10
  - FortiProxy >= 2.0.0 <= 2.0.12
  - FortiProxy >= 1.2.1 <= 1.2.13
  - FortiProxy 01.02.00
  - FortiProxy >= 1.1.4 <= 1.1.6
  - FortiProxy >= 01.01.00 <= 01.01.03
  - FortiProxy >= 01.00.00 <= 01.00.07
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2024-02-22T16:59:29.245878Z'
published: '2024-02-22'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T13:48:28.741Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2023-29181'
references:
  - url: 'https://fortiguard.com/psirt/FG-IR-23-119'
    label: 'https://fortiguard.com/psirt/FG-IR-23-119'
tags:
  - cve.org
epss: 0.00724
epssPercentile: 0.53521
ingestedAt: '2026-10-22T22:00:50.273Z'
---

## Overview

A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.2.0 through 7.2.4, FortiOS 7.0.0 through 7.0.11, FortiOS 6.4.0 through 6.4.12, FortiOS 6.2.0 through 6.2.14, FortiOS 6.0.0 through 6.0.16, FortiOS 5.6 all versions, FortiOS 5.4 all versions, FortiOS 5.2 all versions, FortiOS 5.0 all versions, FortiOS 4.3 all versions, FortiOS 4.2 all versions, FortiOS 4.1 all versions, FortiOS 4.0 all versions, FortiPAM 1.0 all versions, FortiProxy 7.2.0 through 7.2.4, FortiProxy 7.0.0 through 7.0.10, FortiProxy 2.0.0 through 2.0.12, FortiProxy 01.02 all versions, FortiProxy 1.2 all versions, FortiProxy 01.01 all versions, FortiProxy 1.1 all versions, FortiProxy 01.00 all versions allows attacker to execute unauthorized code or commands via specially crafted command.

## Affected

- `FortiOS >= 7.2.0 <= 7.2.4`
- `FortiOS >= 7.0.0 <= 7.0.11`
- `FortiOS >= 6.4.0 <= 6.4.12`
- `FortiOS >= 6.2.0 <= 6.2.14`
- `FortiOS >= 6.0.0 <= 6.0.16`
- `FortiOS >= 5.6.0 <= 5.6.14`
- `FortiOS >= 5.4.0 <= 5.4.13`
- `FortiOS >= 5.2.0 <= 5.2.15`
- `FortiOS >= 5.0.0 <= 5.0.14`
- `FortiOS >= 4.3.0 <= 4.3.19`
- `FortiOS >= 4.2.0 <= 4.2.16`
- `FortiOS >= 4.1.1 <= 4.1.11`
- `FortiOS >= 4.0.0 <= 4.0.4`
- `FortiPAM >= 1.0.0 <= 1.0.3`
- `FortiProxy >= 7.2.0 <= 7.2.4`
- `FortiProxy >= 7.0.0 <= 7.0.10`
- `FortiProxy >= 2.0.0 <= 2.0.12`
- `FortiProxy >= 1.2.1 <= 1.2.13`
- `FortiProxy 01.02.00`
- `FortiProxy >= 1.1.4 <= 1.1.6`
- `FortiProxy >= 01.01.00 <= 01.01.03`
- `FortiProxy >= 01.00.00 <= 01.00.07`

## Remediation

Upgrade to FortiProxy version 7.2.5 or above
Upgrade to FortiProxy version 7.0.11 or above
Upgrade to FortiProxy version 2.0.13 or above
Upgrade to FortiPAM version 1.1.0 or above
Upgrade to FortiOS version 7.4.1 or above
Upgrade to FortiOS version 7.2.5 or above
Upgrade to FortiOS version 7.0.12 or above
Upgrade to FortiOS version 6.4.13 or above
Upgrade to FortiOS version 6.2.15 or above
Upgrade to FortiOS version 6.0.17 or above