CVE-2023-22639: Out-of-bound write in CLI

Published Jun 12, 2023
·
Updated

A out-of-bounds write in Fortinet FortiOS version 7.2.0 through 7.2.3, FortiOS version 7.0.0 through 7.0.10, FortiOS version 6.4.0 through 6.4.12, FortiOS all versions 6.2, FortiOS all versions 6.0, FortiProxy version 7.2.0 through 7.2.2, FortiProxy version 7.0.0 through 7.0.8, FortiProxy all versions 2.0, FortiProxy all versions 1.2, FortiProxy all versions 1.1, FortiProxy all versions 1.0 allows attacker to escalation of privilege via specifically crafted commands.

Other sources

An out-of-bounds write vulnerability [CWE-787] in Command Line Interface of FortiOS and FortiProxy may allow an authenticated attacker to achieve arbitrary code execution via specifically crafted commands.

FortiGuard

Affected Software

13 affected components
Fortinet FortiProxy>=1.0.0<=1.0.7
Fortinet FortiProxy>=1.1.0<=1.1.6
Fortinet FortiProxy>=1.2.0<=1.2.13
Fortinet FortiProxy>=2.0.0<=2.0.12
Fortinet FortiProxy>=7.0.0<=7.0.8
Fortinet FortiProxy=7.2.0
Fortinet FortiProxy=7.2.1
Fortinet FortiProxy=7.2.2
Fortinet FortiOS>=6.0.0<=6.0.17
Fortinet FortiOS>=6.2.0<=6.2.15
Fortinet FortiOS>=6.4.0<=6.4.12
Fortinet FortiOS>=7.0.0<=7.0.9
Fortinet FortiOS>=7.2.0<=7.2.3

Remediation

Information

Please upgrade to FortiOS version 7.4.0 or above Please upgrade to FortiOS version 7.2.4 or above Please upgrade to FortiOS version 7.0.11 or above Please upgrade to FortiOS version 6.4.13 or above Please upgrade to FortiProxy version 7.2.3 or above Please upgrade to FortiProxy version 7.0.9 or above

Event History

Jun 12, 2023
Advisory Published
via FortiGuard·12:00 AM
Data Sourced
via FortiGuard·12:00 AM
DescriptionSeverityWeaknessAffected Software
Jun 13, 2023
CVE Published
via MITRE·08:41 AM
Data Sourced
via MITRE·08:41 AM
RemedyDescriptionSeverityWeakness
Oct 25, 2024
Advisory Published
via FortiGuard·12:00 AM

Frequently Asked Questions

1

What is CVE-2023-22639?

CVE-2023-22639 is a vulnerability in Fortinet FortiOS version 7.2.0 through 7.2.3, FortiOS version 7.0.0 through 7.0.10, FortiOS version 6.4.0 through 6.4.12, FortiOS all versions 6.2, FortiOS all versions 6.0, FortiProxy version 7.2.0 through 7.2.2, FortiProxy version 7.0.0 through 7.0.8, FortiProxy all versions.

2

What is the severity of CVE-2023-22639?

The severity of CVE-2023-22639 is high (7.8).

3

How does CVE-2023-22639 affect Fortinet FortiOS?

CVE-2023-22639 affects Fortinet FortiOS versions 7.2.0 through 7.2.3, 7.0.0 through 7.0.10, 6.4.0 through 6.4.12, 6.2, and 6.0.

4

How does CVE-2023-22639 affect FortiProxy?

CVE-2023-22639 affects FortiProxy versions 7.2.0 through 7.2.2 and 7.0.0 through 7.0.8.

5

Is there a fix for CVE-2023-22639?

Yes, updating to a version of Fortinet FortiOS or FortiProxy that is not affected by CVE-2023-22639 will fix the vulnerability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203