Improper authentication in Fortinet FortiOS, FortiProxy, FortiSwitchManager
Priority CRITICAL 100Exploited in the wildCWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
Exploitation Active In CISA KEV since 2022-10-11CISA due date 2022-11-01Known ransomware use
EPSS 0.99984 99th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Fortinet | Fortinet FortiOS, FortiProxy, FortiSwitchManager | 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 | — | No fix listed | CNA |
- Fortinet FortiOS, FortiProxy, FortiSwitchManager VendorFortinet Affected 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 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* | 7.0.0 to before 7.0.7 | Vulnerable | Fortinet |
| cpe:2.3:a:fortinet:fortiproxy:7.2.0:*:*:*:*:*:*:* | 7.2.0 | Vulnerable | Fortinet |
| cpe:2.3:a:fortinet:fortiswitchmanager:7.0.0:*:*:*:*:*:*:* | 7.0.0 | Vulnerable | Fortinet |
| cpe:2.3:a:fortinet:fortiswitchmanager:7.2.0:*:*:*:*:*:*:* | 7.2.0 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* | 7.0.0 to before 7.0.7; 7.2.0 to before 7.2.2 | Vulnerable | Fortinet |
- cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* Versions 7.0.0 to before 7.0.7 Vulnerable ·Fortinet
- cpe:2.3:a:fortinet:fortiproxy:7.2.0:*:*:*:*:*:*:* Versions 7.2.0 Vulnerable ·Fortinet
- cpe:2.3:a:fortinet:fortiswitchmanager:7.0.0:*:*:*:*:*:*:* Versions 7.0.0 Vulnerable ·Fortinet
- cpe:2.3:a:fortinet:fortiswitchmanager:7.2.0:*:*:*:*:*:*:* Versions 7.2.0 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* Versions 7.0.0 to before 7.0.7; 7.2.0 to before 7.2.2 Vulnerable ·Fortinet
Remediation
No fixed version listed by the sources yet.
Timeline
- 2022-10-11 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2022-40684
- 2026-10-03 Alias added: GHSA-m3wm-rjvf-m778
References
More Fortinet Fortios vulnerabilities
- TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
- TI-2025-18911 Heap-based buffer overflow in Fortinet FortiSwitchManager KEVCVSS 3.1CRITICAL 9.8
- TI-2024-36904 Authentication bypass in Fortinet FortiOS KEVCVSS 3.1CRITICAL 9.8
- TI-2024-15234 A use of externally-controlled format string in Fortinet FortiOS versions 7.4.0 through… KEVCVSS 3.1CRITICAL 9.8
- TI-2024-14448 Out-of-bounds write in Fortinet FortiOS KEVCVSS 3.1CRITICAL 9.8
- TI-2023-12585 Heap-based buffer overflow in Fortinet FortiOS-6K7K KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2022-40684 · CVE Program
- CVE-2022-40684 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-m3wm-rjvf-m778 · GitHub Advisory Database · CC BY 4.0
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