CVE-2022-40684
Fortinet Multiple Products: Authentication Bypass
As of , CVE-2022-40684 in Fortinet Multiple Products is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 11 October 2022
- US federal deadline
- 1 November 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Known
- EPSS score
- 0.99Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- No score that dayThe EPSS file of the day CISA listed it has no score for it.
- Public exploit
- 1 Metasploit module and 2 Exploit-DB entries
- Fix
- Vendor advice: www.fortiguard.comLinks below, from CISA's entry.
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
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.
CISA's 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.
The CVE record's description, from fortinet
- CVE published
- 18 October 2022
- Assigned by
- fortinet
- CVSS
- 9.8 Critical (CVSS 3.1, from the CNA)
- CWE-287
- Improper Authentication
- CWE-288
- Authentication Bypass Using an Alternate Path or Channel
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- yes
- CISA SSVC, technical impact
- total
Timeline
- CISA added it to its list of exploited vulnerabilities.
- The CVE record was published.
- The US federal deadline to fix it.
- Exploit-DB published an exploit (EDB-ID 51092).
- Exploit-DB published an exploit (EDB-ID 52239).
Public exploits
Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.
- Metasploit: Fortinet FortiOS, FortiProxy, and FortiSwitchManager authentication bypass.exploit module, rank excellent
- Exploit-DB: Fortinet FortiOS_ FortiProxy_ and FortiSwitchManager 7.2.0 - Authentication bypassEDB-ID 52239, 16 April 2025
- Exploit-DB: FortiOS_ FortiProxy_ FortiSwitchManager v7.2.1 - Authentication BypassEDB-ID 51092, 27 March 2023
Multiple Products: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2025-25249Heap-based Buffer Overflow | Fortinet Multiple Products | Patch nowForensic triage required by CISA | 0.04 | ||
| CVE-2026-24858Authentication Bypass Using an Alternate Path or Channel | Fortinet Multiple Products | Patch this weekEPSS 0.86 | 0.86 | ||
| CVE-2025-59718Improper Verification of Cryptographic Signature | Fortinet Multiple Products | Patch this weekEPSS 0.68 | 0.68 | ||
| CVE-2024-23113Format String | Fortinet Multiple Products | Patch this weekEPSS 0.62 | 0.62 | ||
| CVE-2025-32756Stack-Based Buffer Overflow | Fortinet Multiple Products | Patch soon | 0.30 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org