CVE-2023-36641

Published Nov 14, 2023 CVSS 3.1 · 6.2 Medium EPSS 1.4% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Fortinet

FortiOS

unaffected

Version	Status	Constraints
`7.4.0`	affected	—
`7.2.0`	affected	≤ 7.2.5
`7.0.0`	affected	≤ 7.0.12
`6.4.0`	affected	≤ 6.4.16
`6.2.0`	affected	≤ 6.2.17
`6.0.0`	affected	≤ 6.0.18

Fortinet

FortiProxy

unaffected

Version	Status	Constraints
`7.2.0`	affected	≤ 7.2.4
`7.0.0`	affected	≤ 7.0.10
`2.0.0`	affected	≤ 2.0.14
`1.2.1`	affected	≤ 1.2.13
`01.02.00`	affected	—
`1.1.4`	affected	≤ 1.1.6
`01.01.00`	affected	≤ 01.01.03
`01.00.00`	affected	≤ 01.00.07

Configuration 1 [-]

OR	cpe:2.3:a:fortinet:fortiproxy::::::::
	cpe:2.3:a:fortinet:fortiproxy::::::::
	cpe:2.3:a:fortinet:fortiproxy::::::::
	cpe:2.3:a:fortinet:fortiproxy::::::::
	cpe:2.3:a:fortinet:fortiproxy::::::::
	cpe:2.3:a:fortinet:fortiproxy::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::

No data.

No data available yet.

Remediation

Vendor Solution

Upgrade to FortiProxy version 7.2.5 or above Upgrade to FortiProxy version 7.0.11 or above Upgrade to FortiOS version 7.4.1 or above Upgrade to FortiOS version 7.2.6 or above Upgrade to FortiOS version 7.0.13 or above

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2023-40585	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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 1.4% (1.362% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://fortiguard.com/psirt/FG-IR-23-151

History

Oct 22, 2026 2:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Oct 22, 2026 2:00 PM Description updated. Affected versions updated View changes

Type	Values Removed	Values Added
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.	A numeric truncation error vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0.0 through 7.0.12, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiProxy 7.2.0 through 7.2.4, FortiProxy 7.0.0 through 7.0.10, FortiProxy 2.0 all versions, 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 denial of service via specifically crafted HTTP requests.
CPEs		cpe:2.3:a:fortinet:fortiproxy:01.00.00:::::::* cpe:2.3:a:fortinet:fortiproxy:01.00.01:::::::* cpe:2.3:a:fortinet:fortiproxy:01.00.02:::::::* cpe:2.3:a:fortinet:fortiproxy:01.00.03:::::::* cpe:2.3:a:fortinet:fortiproxy:01.00.04:::::::* cpe:2.3:a:fortinet:fortiproxy:01.00.05:::::::* cpe:2.3:a:fortinet:fortiproxy:01.00.06:::::::* cpe:2.3:a:fortinet:fortiproxy:01.00.07:::::::* cpe:2.3:a:fortinet:fortiproxy:01.01.00:::::::* cpe:2.3:a:fortinet:fortiproxy:01.01.01:::::::* cpe:2.3:a:fortinet:fortiproxy:01.01.02:::::::* cpe:2.3:a:fortinet:fortiproxy:01.01.03:::::::* cpe:2.3:a:fortinet:fortiproxy:01.02.00:::::::* cpe:2.3:a:fortinet:fortiproxy:1.1.4:::::::* cpe:2.3:a:fortinet:fortiproxy:1.1.5:::::::* cpe:2.3:a:fortinet:fortiproxy:1.1.6:::::::* cpe:2.3:a:fortinet:fortiproxy:1.2.10:::::::* cpe:2.3:a:fortinet:fortiproxy:1.2.11:::::::* cpe:2.3:a:fortinet:fortiproxy:1.2.12:::::::* cpe:2.3:a:fortinet:fortiproxy:1.2.13:::::::* cpe:2.3:a:fortinet:fortiproxy:1.2.1:::::::* cpe:2.3:a:fortinet:fortiproxy:1.2.2:::::::* cpe:2.3:a:fortinet:fortiproxy:1.2.3:::::::* cpe:2.3:a:fortinet:fortiproxy:1.2.4:::::::* cpe:2.3:a:fortinet:fortiproxy:1.2.5:::::::* cpe:2.3:a:fortinet:fortiproxy:1.2.6:::::::* cpe:2.3:a:fortinet:fortiproxy:1.2.7:::::::* cpe:2.3:a:fortinet:fortiproxy:1.2.8:::::::* cpe:2.3:a:fortinet:fortiproxy:1.2.9:::::::* cpe:2.3:a:fortinet:fortiproxy:2.0.0:::::::* cpe:2.3:a:fortinet:fortiproxy:2.0.10:::::::* cpe:2.3:a:fortinet:fortiproxy:2.0.11:::::::* cpe:2.3:a:fortinet:fortiproxy:2.0.12:::::::* cpe:2.3:a:fortinet:fortiproxy:2.0.13:::::::* cpe:2.3:a:fortinet:fortiproxy:2.0.14:::::::* cpe:2.3:a:fortinet:fortiproxy:2.0.1:::::::* cpe:2.3:a:fortinet:fortiproxy:2.0.2:::::::* cpe:2.3:a:fortinet:fortiproxy:2.0.3:::::::* cpe:2.3:a:fortinet:fortiproxy:2.0.4:::::::* cpe:2.3:a:fortinet:fortiproxy:2.0.5:::::::* cpe:2.3:a:fortinet:fortiproxy:2.0.6:::::::* cpe:2.3:a:fortinet:fortiproxy:2.0.7:::::::* cpe:2.3:a:fortinet:fortiproxy:2.0.8:::::::* cpe:2.3:a:fortinet:fortiproxy:2.0.9:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.0:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.10:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.1:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.2:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.3:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.4:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.5:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.6:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.7:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.8:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.9:::::::* cpe:2.3:a:fortinet:fortiproxy:7.2.0:::::::* cpe:2.3:a:fortinet:fortiproxy:7.2.1:::::::* cpe:2.3:a:fortinet:fortiproxy:7.2.2:::::::* cpe:2.3:a:fortinet:fortiproxy:7.2.3:::::::* cpe:2.3:a:fortinet:fortiproxy:7.2.4:::::::* cpe:2.3:o:fortinet:fortios:6.0.0:::::::* cpe:2.3:o:fortinet:fortios:6.0.10:::::::* cpe:2.3:o:fortinet:fortios:6.0.11:::::::* cpe:2.3:o:fortinet:fortios:6.0.12:::::::* cpe:2.3:o:fortinet:fortios:6.0.13:::::::* cpe:2.3:o:fortinet:fortios:6.0.14:::::::* cpe:2.3:o:fortinet:fortios:6.0.15:::::::* cpe:2.3:o:fortinet:fortios:6.0.16:::::::* cpe:2.3:o:fortinet:fortios:6.0.17:::::::* cpe:2.3:o:fortinet:fortios:6.0.18:::::::* cpe:2.3:o:fortinet:fortios:6.0.1:::::::* cpe:2.3:o:fortinet:fortios:6.0.2:::::::* cpe:2.3:o:fortinet:fortios:6.0.3:::::::* cpe:2.3:o:fortinet:fortios:6.0.4:::::::* cpe:2.3:o:fortinet:fortios:6.0.5:::::::* cpe:2.3:o:fortinet:fortios:6.0.6:::::::* cpe:2.3:o:fortinet:fortios:6.0.7:::::::* cpe:2.3:o:fortinet:fortios:6.0.8:::::::* cpe:2.3:o:fortinet:fortios:6.0.9:::::::* cpe:2.3:o:fortinet:fortios:6.2.0:::::::* cpe:2.3:o:fortinet:fortios:6.2.10:::::::* cpe:2.3:o:fortinet:fortios:6.2.11:::::::* cpe:2.3:o:fortinet:fortios:6.2.12:::::::* cpe:2.3:o:fortinet:fortios:6.2.13:::::::* cpe:2.3:o:fortinet:fortios:6.2.14:::::::* cpe:2.3:o:fortinet:fortios:6.2.15:::::::* cpe:2.3:o:fortinet:fortios:6.2.16:::::::* cpe:2.3:o:fortinet:fortios:6.2.17:::::::* cpe:2.3:o:fortinet:fortios:6.2.1:::::::* cpe:2.3:o:fortinet:fortios:6.2.2:::::::* cpe:2.3:o:fortinet:fortios:6.2.3:::::::* cpe:2.3:o:fortinet:fortios:6.2.4:::::::* cpe:2.3:o:fortinet:fortios:6.2.5:::::::* cpe:2.3:o:fortinet:fortios:6.2.6:::::::* cpe:2.3:o:fortinet:fortios:6.2.7:::::::* cpe:2.3:o:fortinet:fortios:6.2.8:::::::* cpe:2.3:o:fortinet:fortios:6.2.9:::::::* cpe:2.3:o:fortinet:fortios:6.4.0:::::::* cpe:2.3:o:fortinet:fortios:6.4.10:::::::* cpe:2.3:o:fortinet:fortios:6.4.11:::::::* cpe:2.3:o:fortinet:fortios:6.4.12:::::::* cpe:2.3:o:fortinet:fortios:6.4.13:::::::* cpe:2.3:o:fortinet:fortios:6.4.14:::::::* cpe:2.3:o:fortinet:fortios:6.4.15:::::::* cpe:2.3:o:fortinet:fortios:6.4.16:::::::* cpe:2.3:o:fortinet:fortios:6.4.1:::::::* cpe:2.3:o:fortinet:fortios:6.4.2:::::::* cpe:2.3:o:fortinet:fortios:6.4.3:::::::* cpe:2.3:o:fortinet:fortios:6.4.4:::::::* cpe:2.3:o:fortinet:fortios:6.4.5:::::::* cpe:2.3:o:fortinet:fortios:6.4.6:::::::* cpe:2.3:o:fortinet:fortios:6.4.7:::::::* cpe:2.3:o:fortinet:fortios:6.4.8:::::::* cpe:2.3:o:fortinet:fortios:6.4.9:::::::* cpe:2.3:o:fortinet:fortios:7.0.0:::::::* cpe:2.3:o:fortinet:fortios:7.0.10:::::::* cpe:2.3:o:fortinet:fortios:7.0.11:::::::* cpe:2.3:o:fortinet:fortios:7.0.12:::::::* cpe:2.3:o:fortinet:fortios:7.0.1:::::::* cpe:2.3:o:fortinet:fortios:7.0.2:::::::* cpe:2.3:o:fortinet:fortios:7.0.3:::::::* cpe:2.3:o:fortinet:fortios:7.0.4:::::::* cpe:2.3:o:fortinet:fortios:7.0.5:::::::* cpe:2.3:o:fortinet:fortios:7.0.6:::::::* cpe:2.3:o:fortinet:fortios:7.0.7:::::::* cpe:2.3:o:fortinet:fortios:7.0.8:::::::* cpe:2.3:o:fortinet:fortios:7.0.9:::::::* cpe:2.3:o:fortinet:fortios:7.2.0:::::::* cpe:2.3:o:fortinet:fortios:7.2.1:::::::* cpe:2.3:o:fortinet:fortios:7.2.2:::::::* cpe:2.3:o:fortinet:fortios:7.2.3:::::::* cpe:2.3:o:fortinet:fortios:7.2.4:::::::* cpe:2.3:o:fortinet:fortios:7.2.5:::::::* cpe:2.3:o:fortinet:fortios:7.4.0:::::::*