CVE-2022-23447

Name: CVE-2022-23447
Creator: NVD / NIST
Published: 2023-07-11T17:15:10.383+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2022-23447 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability [CWE-22] in FortiExtender management interface 7.0.0 through 7.0.3, 4.2.0 through 4.2.4, 4.1.1 through 4.1.8, 4.0.0 through 4.0.2, 3.3.0 through 3.3.2, 3.2.1 through 3.2.3, 5.3 all versions may allow an unauthenticated and remote attacker to retrieve arbitrary files from the underlying filesystem via specially crafted web requests.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

An improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability [CWE-22] in FortiExtender management interface 7.0.0 through 7.0.3, 4.2.0 through 4.2.4, 4.1.1 through 4.1.8, 4.0.0 through 4.0.2, 3.3.0 through 3.3.2, 3.2.1 through 3.2.3, 5.3 all versions may allow an unauthenticated and remote attacker to retrieve arbitrary files from the underlying filesystem via specially crafted web requests.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.80%

51.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Fortinet	Fortiextender Firmware	>= 3.2.1, < 3.2.4
Fortinet	Fortiextender Firmware	>= 3.3.0, < 3.3.3
Fortinet	Fortiextender Firmware	>= 4.0.0, < 4.0.3
Fortinet	Fortiextender Firmware	>= 4.1.1, < 4.1.9
Fortinet	Fortiextender Firmware	>= 4.2.0, < 4.2.5
Fortinet	Fortiextender Firmware	>= 7.0.0, < 7.0.4
Fortinet	Fortiextender Firmware	5.3.2

References

https://fortiguard.com/psirt/FG-IR-22-039Vendor Advisory
https://fortiguard.com/psirt/FG-IR-22-039Vendor Advisory

Timeline

Published: Jul 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-23447?

How severe is CVE-2022-23447?

CVE-2022-23447 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2022-23447?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-23447?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST