CVE-2023-36641

Name: CVE-2023-36641
Creator: NVD / NIST
Published: 2023-11-14T18:15:49.833+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.27%

Last modified Jun 17, 2026

CVE-2023-36641 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A numeric truncation error in Fortinet FortiProxy version 7.2.0 through 7.2.4, FortiProxy version 7.0.0 through 7.0.10, FortiProxy 2.0 all versions, FortiProxy 1.2 all versions, FortiProxy 1.1, all versions, FortiProxy 1.0 all versions, FortiOS version 7.4.0, FortiOS version 7.2.0 through 7.2.5, FortiOS version 7.0.0 through 7.0.12, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0 all versions allows attacker to denial of service via specifically crafted HTTP requests.. EPSS estimates a 1.27% chance of exploitation in the next 30 days.

Description

A numeric truncation error in Fortinet FortiProxy version 7.2.0 through 7.2.4, FortiProxy version 7.0.0 through 7.0.10, FortiProxy 2.0 all versions, FortiProxy 1.2 all versions, FortiProxy 1.1, all versions, FortiProxy 1.0 all versions, FortiOS version 7.4.0, FortiOS version 7.2.0 through 7.2.5, FortiOS version 7.0.0 through 7.0.12, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0 all versions allows attacker to denial of service via specifically crafted HTTP requests.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.27%

66.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-197

Affected Software

Vendor	Product	Versions
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, <= 2.0.13
Fortinet	Fortiproxy	>= 7.0.0, <= 7.0.10
Fortinet	Fortiproxy	>= 7.2.0, <= 7.2.4
Fortinet	Fortios	>= 6.0.0, <= 6.0.17
Fortinet	Fortios	>= 6.2.0, <= 6.2.15
Fortinet	Fortios	>= 6.4.0, <= 6.4.14
Fortinet	Fortios	>= 7.0.0, <= 7.0.12
Fortinet	Fortios	>= 7.2.0, <= 7.2.5

References

https://fortiguard.com/psirt/FG-IR-23-151Vendor Advisory
https://fortiguard.com/psirt/FG-IR-23-151Vendor Advisory

Timeline

Published: Nov 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-36641?

How severe is CVE-2023-36641?

CVE-2023-36641 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.27% probability of exploitation in the next 30 days.

How do I fix CVE-2023-36641?

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-2023-36641?

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

Scan your code now

Source: NVD / NIST