# CVE-2022-40684: Fortinet Multiple Products Authentication Bypass Vulnerability

> CVE-2022-40684: Fortinet Multiple Products Authentication Bypass Vulnerability. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2022-40684
Last updated: 2026-08-06T03:55:36Z

- Published: 2022-10-18 00:00 UTC · Updated: 2026-08-06 03:55 UTC · Assigner: fortinet
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C
- EPSS: 100.0%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-10-11, federal due date 2022-11-01, ransomware use: Known

## Description

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.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Fortinet: Fortinet FortiOS, FortiProxy, FortiSwitchManager

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2022-40684)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2022-40684)
- [http://packetstormsecurity.com/files/169431/Fortinet-FortiOS-FortiProxy-FortiSwitchManager-Authentication-Bypass.html](http://packetstormsecurity.com/files/169431/Fortinet-FortiOS-FortiProxy-FortiSwitchManager-Authentication-Bypass.html)
- [http://packetstormsecurity.com/files/171515/Fortinet-7.2.1-Authentication-Bypass.html](http://packetstormsecurity.com/files/171515/Fortinet-7.2.1-Authentication-Bypass.html)
- [https://fortiguard.com/psirt/FG-IR-22-377](https://fortiguard.com/psirt/FG-IR-22-377)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2022-40684 · Markdown: https://rewindex.com/cve/CVE-2022-40684.md · JSON: https://rewindex.com/api/v1/cves/CVE-2022-40684 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:50:05.708Z