Auth bypass in Fortinet Fortios, Fortiproxy, Fortiswitchmanager
CVE-2022-40684
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 an…
Vulnerability class: Broken Authentication
EPSS: 1.000 (100.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Fortinet Fortios, Fortiproxy, Fortiswitchmanager — versions 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
- Fortinet Fortios
- Fortinet Fortiproxy — versions 7.2.0
- Fortinet Fortiswitchmanager — versions 7.0.0, 7.2.0
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- psirt@fortinet.com (Mitigation, Vendor Advisory)
- psirt@fortinet.com (Exploit, VDB Entry, Third Party Advisory)
- psirt@fortinet.com (Exploit, VDB Entry, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2022-40684?
- CVE-2022-40684 is a critical-severity vulnerability in Fortinet Fortios, Fortiproxy, Fortiswitchmanager, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-10-18.
- How severe is CVE-2022-40684?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-40684 known to be exploited?
- Yes. CVE-2022-40684 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-10-11), indicating it is being actively exploited. 100 public proof-of-concept repositories are indexed.