CVE-2022-40684
An authentication bypass using an alternate path or channel [CWE-288] in Fortinet FortiOS version...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
9.8
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.
- Record
CVE-2022-40684- CVSS 3.1
- 9.8 Critical
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 - Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2022-43955
9.8
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.
- Record
EUVD-2022-43955- CVSS 3.1
- 9.8 Critical
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m3wm-rjvf-m778
9.8
An authentication bypass using an alternate path or channel [CWE-288] in Fortinet FortiOS version...
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.
- Record
GHSA-m3wm-rjvf-m778- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287, CWE-306
- Updated
- 2026-11-02
CISA KEV No score
Fortinet Multiple Products Authentication Bypass Vulnerability
Fortinet FortiOS, FortiProxy, and FortiSwitchManager contain an authentication bypass vulnerability that could allow an unauthenticated attacker to perform operations on the administrative interface via specially crafted HTTP or HTTPS requests.
- Record
CVE-2022-40684- Weakness
- CWE-288
- Updated
- 2026-11-02
NVD
9.8
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.
- Record
CVE-2022-40684- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | Fortinet FortiOS, FortiProxy, and FortiSwitchManager authentication bypass. | 2022-10-10 |
| PoC in GitHub | Filiplain/Fortinet-PoC-Auth-Bypass | 2022-10-13 |
| PoC in GitHub | carlosevieira/CVE-2022-40684 | 2022-10-13 |
| PoC in GitHub | horizon3ai/CVE-2022-40684 | 2022-10-13 |
| PoC in GitHub | kljunowsky/CVE-2022-40684-POC | 2022-10-13 |
| PoC in GitHub | iveresk/CVE-2022-40684 | 2022-10-14 |
| PoC in GitHub | mhd108/CVE-2022-40684 | 2022-10-14 |
| PoC in GitHub | secunnix/CVE-2022-40684 | 2022-10-14 |
| PoC in GitHub | Chocapikk/CVE-2022-40684 | 2022-10-15 |
| PoC in GitHub | ClickCyber/cve-2022-40684 | 2022-10-15 |
Show 19 moreShow less
Plus 6 more. The full list has every link.
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation | ||
| exploits, exploits_more | ||
| exploits | ||
| first indexed | CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, Metasploit, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-40684 is a critical vulnerability (CVSS 9.8) in Fortinet Fortios, published October 18, 2022. CISA lists it as known to be exploited, since October 11, 2022. EUVD reports exploitation since October 11, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 100.0%, the 99th percentile. No source names a fixed version.
References
fortiguard.com/psirt/FG-IR-22-377
packetstormsecurity.com/files/169431/Fortinet-FortiOS-FortiProxy-FortiSwitchManager-Authentication-Bypass.html
packetstormsecurity.com/files/171515/Fortinet-7.2.1-Authentication-Bypass.html
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-40684
nvd.nist.gov/vuln/detail/CVE-2022-40684
github.com/advisories/GHSA-m3wm-rjvf-m778