CVE-2022-40684An 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…
Updated under an hour ago ()
Does this affect you?
It affects Fortinet FortiOS, FortiProxy, FortiSwitchManager and 3 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Oct 11, 2022; federal agencies had to remediate by Nov 1, 2022, and it is known to be used in ransomware. Treat that date as your deadline.
Do this next
Free account, 1 product
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
- 9.8 CRITICAL (v3.1, CNA)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)
- CWE-287
- Known exploited
- Added to CISA KEV Oct 11, 2022; federal remediation due Nov 1, 2022; known ransomware useApply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 99.98% (percentile 100)
- Assigned by
- fortinet
- NVD analysis
- Analyzed
- Record last updated
- Aug 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Fortinet Fortinet FortiOS, FortiProxy, FortiSwitchManager fortinet:fortios_fortiproxy_fortiswitchmanager (from the name) | 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, 7.0.0 | CNA record |
fortinet fortiproxy fortinet:fortiproxy | from 7.0.0 before 7.0.7; 7.2.0 | NVD |
fortinet fortiswitchmanager fortinet:fortiswitchmanager | 7.0.0; 7.2.0 | NVD |
fortinet fortios fortinet:fortios | from 7.0.0 before 7.0.7; from 7.2.0 before 7.2.2 | NVD |
References
- https://fortiguard.com/psirt/FG-IR-22-377mitigation, vendor-advisory
- http://packetstormsecurity.com/files/169431/Fortinet-FortiOS-FortiProxy-FortiSwitchManager-Authentication-Bypass.htmlexploit, third-party-advisory, vdb-entry
- http://packetstormsecurity.com/files/171515/Fortinet-7.2.1-Authentication-Bypass.htmlexploit, third-party-advisory, vdb-entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-40684us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.