CVE-2022-40684

criticalpriority · act · 90OT risk · criticalKEV · exploitedEPSS 1.000 · 100 %ileexploit · weaponizedEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 34 exploits · weaponized

Likely / severe?

100.0% (100th) EPSS

CVSS 9.8 · critical

Is it mine?

13 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-10-11remediate by 2022-11-01

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-25

Fortinet Multiple Products Authentication Bypass Vulnerability

An authentication bypass using an alternate path or channel [CWE-288] in Fortinet FortiOS version 7.2.0 through 7.2.1 and 7.0.0 through 7.0.6, FortiProxy version 7.2.0 and version 7.0.0 through 7.0.6 and FortiSwitchManager version 7.2.0 and 7.0.0 allows an unauthenticated atttacker to perform operations on the administrative interface via specially crafted HTTP or HTTPS requests.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:Csecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@fortinet.comexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimaryCWE-285US

ATT&CK techniques

ATT&CK techniques this enables or maps to.

exploits (34)

Public proof-of-concept and weaponised exploit code.

exploit/linux/http/fortinet_authentication_bypass_cve_2022_40684Fortinet FortiOS, FortiProxy, and FortiSwitchManager authentication bypass.weaponized · metasploit
EDB-51092FortiOS_ FortiProxy_ FortiSwitchManager v7.2.1 - Authentication BypassPoC · exploit_db
EDB-52239Fortinet FortiOS_ FortiProxy_ and FortiSwitchManager 7.2.0 - Authentication bypassPoC · exploit_db
Anthony1500/CVE-2022-40684Anthony1500/CVE-2022-40684PoC · poc_in_github
Chocapikk/CVE-2022-40684Fortinet Critical Authentication Bypass Vulnerability (CVE-2022-40684) [ Mass Exploit ]PoC · poc_in_github
ClickCyber/cve-2022-40684exploit for CVE-2022-40684 FortinetPoC · poc_in_github

affected products (13)

Products and version ranges known to be affected.

Fortinet Fortinet FortiOS, FortiProxy, FortiSwitchManager≤ FortiOS 7.2.1, 7.2.0, 7.0.6, 7.0.5, 7.0.4, 7.0.3, 7.0.2, 7.0.1, 7.0.0; FortiProxy 7.2.0, 7.0.6, 7.0.5, 7.0.4, 7.0.3, 7.0.2, 7.0.1, 7.0.0; FortiSwitchManager 7.2.0, 7.0.0enisa_euvdEU
Fortinet Inc. FortiOS7.0.0 → 7.0.7fstec_bduRU
Fortinet Inc. FortiOS7.2.0 → 7.2.2fstec_bduRU
Fortinet Inc. FortiProxy≤ 7.2.0fstec_bduRU
Fortinet Inc. FortiProxy7.0.0 → 7.0.6fstec_bduRU
Fortinet Inc. FortiSwitch Manager≤ 7.0.0fstec_bduRU
Fortinet Inc. FortiSwitch Manager≤ 7.2.0fstec_bduRU
fortinet fortios7.0.0 → 7.0.7nvdUScpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
fortinet fortios7.2.0 → 7.2.2nvdUScpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
fortinet fortiproxy7.0.0 → 7.0.7nvdUScpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
fortinet fortiproxy= 7.2.0nvdUScpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
fortinet fortiswitchmanager= 7.0.0nvdUScpe:2.3:a:fortinet:fortiswitchmanager:*:*:*:*:*:*:*:*
fortinet fortiswitchmanager= 7.2.0nvdUScpe:2.3:a:fortinet:fortiswitchmanager:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2022-10-18modified 2026-08-06

related (7,683)

Related entries.

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+7678 more

references (15)

External citations — patches, advisories, analysis.

scry

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