CVE-2023-36641

At a glance

Severity: MEDIUM 6.2
EPSS: EPSS 1.36 % · percentile 72 (2026-10-27)
State: PUBLISHED
Published: 2023-11-14
Updated: 2026-10-22
Assigner: fortinet
NVD status: Modified

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 6.2	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:U/RC:C	fortinet
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	NVD · psirt@fortinet.com (Secondary)
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-197

European references

ENISA EUVD · EUVD-2023-40585
GCVE · GCVE-0-2023-36641

CERT-FR advisories

CERTFR-2024-AVI-0203 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
CERTFR-2023-AVI-0973 — Multiples vulnérabilités dans les produits Fortinet · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* ≥ 1.0.0 ≤ 1.0.7
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* ≥ 1.1.0 ≤ 1.1.6
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* ≥ 1.2.0 ≤ 1.2.13
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* ≥ 2.0.0 ≤ 2.0.13
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* ≥ 7.0.0 ≤ 7.0.10
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* ≥ 7.2.0 ≤ 7.2.4
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* ≥ 6.0.0 ≤ 6.0.17
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* ≥ 6.2.0 ≤ 6.2.15
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* ≥ 6.4.0 ≤ 6.4.14
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* ≥ 7.0.0 ≤ 7.0.12
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* ≥ 7.2.0 ≤ 7.2.5

Affected products

Product	Versions
Fortinet · FortiOS	affected 7.4.0 ; affected 7.2.0 ≤ 7.2.5 ; affected 7.0.0 ≤ 7.0.12 ; affected 6.4.0 ≤ 6.4.16 ; affected 6.2.0 ≤ 6.2.17 ; affected 6.0.0 ≤ 6.0.18
Fortinet · FortiProxy	affected 7.2.0 ≤ 7.2.4 ; affected 7.0.0 ≤ 7.0.10 ; affected 2.0.0 ≤ 2.0.14 ; affected 1.2.1 ≤ 1.2.13 ; affected 01.02.00 ; affected 1.1.4 ≤ 1.1.6

References

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

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD