CVE-2022-40684

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-10-11), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 3 sources updated this weekExploited in the wild
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 100%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS
100.0%
KEV
⚠ Exploited

Published

October 18, 2022

Last Modified

January 14, 2026

Advisory Details (2)

Auto-updated May 25, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-40684
generic

Packet Storm

http://packetstormsecurity.com/files/169431/Fortinet-FortiOS-FortiProxy-FortiSwitchManager-Authentication-Bypass.html

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 34× in last 7d / 196× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 375 total refreshes for this CVE.

  1. 2026-07-23 02:13 UTCEG score recompute
  2. 2026-07-22 22:29 UTCEG score recompute
  3. 2026-07-22 22:29 UTCGHSA enrichment
  4. 2026-07-22 19:40 UTCCISA KEV update
  5. 2026-07-22 18:46 UTCGHSA enrichment
  6. 2026-07-22 15:03 UTCGHSA enrichment
  7. 2026-07-22 11:20 UTCGHSA enrichment
  8. 2026-07-22 07:37 UTCGHSA enrichment
  9. 2026-07-22 03:54 UTCGHSA enrichment
  10. 2026-07-22 00:04 UTCGHSA enrichment
  11. 2026-07-21 20:21 UTCGHSA enrichment
  12. 2026-07-21 16:36 UTCGHSA enrichment
  13. 2026-07-21 14:37 UTCCISA KEV update
  14. 2026-07-21 12:52 UTCGHSA enrichment
  15. 2026-07-21 09:05 UTCGHSA enrichment
  16. 2026-07-21 05:22 UTCGHSA enrichment
  17. 2026-07-21 01:40 UTCGHSA enrichment
  18. 2026-07-20 21:57 UTCGHSA enrichment
  19. 2026-07-20 18:15 UTCGHSA enrichment
  20. 2026-07-20 14:30 UTCGHSA enrichment
  21. 2026-07-20 10:47 UTCGHSA enrichment
  22. 2026-07-20 07:04 UTCGHSA enrichment
  23. 2026-07-20 03:22 UTCGHSA enrichment
  24. 2026-07-19 23:39 UTCGHSA enrichment
  25. 2026-07-19 19:57 UTCGHSA enrichment
Show 75 more
  1. 2026-07-19 16:14 UTCGHSA enrichment
  2. 2026-07-19 12:25 UTCGHSA enrichment
  3. 2026-07-19 08:42 UTCGHSA enrichment
  4. 2026-07-19 04:59 UTCGHSA enrichment
  5. 2026-07-19 01:16 UTCGHSA enrichment
  6. 2026-07-18 21:32 UTCGHSA enrichment
  7. 2026-07-18 17:48 UTCGHSA enrichment
  8. 2026-07-18 14:05 UTCGHSA enrichment
  9. 2026-07-18 10:21 UTCGHSA enrichment
  10. 2026-07-18 06:38 UTCGHSA enrichment
  11. 2026-07-18 02:55 UTCGHSA enrichment
  12. 2026-07-17 23:12 UTCGHSA enrichment
  13. 2026-07-17 19:29 UTCGHSA enrichment
  14. 2026-07-17 15:46 UTCGHSA enrichment
  15. 2026-07-17 12:03 UTCGHSA enrichment
  16. 2026-07-17 08:20 UTCEG score recompute
  17. 2026-07-17 08:20 UTCGHSA enrichment
  18. 2026-07-17 04:38 UTCGHSA enrichment
  19. 2026-07-17 00:54 UTCGHSA enrichment
  20. 2026-07-16 21:12 UTCGHSA enrichment
  21. 2026-07-16 17:29 UTCGHSA enrichment
  22. 2026-07-16 17:04 UTCCISA KEV update
  23. 2026-07-16 13:46 UTCGHSA enrichment
  24. 2026-07-16 10:01 UTCGHSA enrichment
  25. 2026-07-16 06:18 UTCGHSA enrichment
  26. 2026-07-16 02:34 UTCGHSA enrichment
  27. 2026-07-15 22:51 UTCGHSA enrichment
  28. 2026-07-15 19:08 UTCGHSA enrichment
  29. 2026-07-15 16:49 UTCCISA KEV update
  30. 2026-07-15 15:24 UTCGHSA enrichment
  31. 2026-07-15 15:04 UTCCISA KEV update
  32. 2026-07-15 11:41 UTCGHSA enrichment
  33. 2026-07-15 07:58 UTCGHSA enrichment
  34. 2026-07-15 04:15 UTCGHSA enrichment
  35. 2026-07-15 00:31 UTCGHSA enrichment
  36. 2026-07-14 20:47 UTCGHSA enrichment
  37. 2026-07-14 18:05 UTCCISA KEV update
  38. 2026-07-14 17:05 UTCGHSA enrichment
  39. 2026-07-14 13:22 UTCGHSA enrichment
  40. 2026-07-14 09:39 UTCGHSA enrichment
  41. 2026-07-14 05:56 UTCGHSA enrichment
  42. 2026-07-14 02:14 UTCGHSA enrichment
  43. 2026-07-13 22:31 UTCGHSA enrichment
  44. 2026-07-13 18:48 UTCGHSA enrichment
  45. 2026-07-13 17:07 UTCCISA KEV update
  46. 2026-07-13 15:05 UTCGHSA enrichment
  47. 2026-07-13 11:22 UTCGHSA enrichment
  48. 2026-07-13 07:39 UTCGHSA enrichment
  49. 2026-07-13 03:55 UTCGHSA enrichment
  50. 2026-07-13 00:13 UTCGHSA enrichment
  51. 2026-07-12 20:30 UTCGHSA enrichment
  52. 2026-07-12 16:47 UTCGHSA enrichment
  53. 2026-07-12 13:04 UTCGHSA enrichment
  54. 2026-07-12 09:21 UTCGHSA enrichment
  55. 2026-07-12 05:38 UTCGHSA enrichment
  56. 2026-07-12 01:55 UTCGHSA enrichment
  57. 2026-07-11 22:12 UTCGHSA enrichment
  58. 2026-07-11 18:29 UTCGHSA enrichment
  59. 2026-07-11 14:46 UTCGHSA enrichment
  60. 2026-07-11 11:03 UTCGHSA enrichment
  61. 2026-07-11 07:20 UTCGHSA enrichment
  62. 2026-07-11 03:37 UTCGHSA enrichment
  63. 2026-07-10 23:54 UTCGHSA enrichment
  64. 2026-07-10 20:11 UTCGHSA enrichment
  65. 2026-07-10 17:52 UTCCISA KEV update
  66. 2026-07-10 16:28 UTCGHSA enrichment
  67. 2026-07-10 12:44 UTCGHSA enrichment
  68. 2026-07-10 09:01 UTCGHSA enrichment
  69. 2026-07-10 05:18 UTCGHSA enrichment
  70. 2026-07-10 01:36 UTCGHSA enrichment
  71. 2026-07-09 21:52 UTCGHSA enrichment
  72. 2026-07-09 19:08 UTCEPSS rescore
  73. 2026-07-09 18:09 UTCGHSA enrichment
  74. 2026-07-09 14:25 UTCGHSA enrichment
  75. 2026-07-09 10:42 UTCGHSA enrichment

Publicly available exploits

(10 references)

Working exploit code is in the public domain (8 GitHub PoCs) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-52239
    First seen Apr 16, 2025

    Fortinet FortiOS_ FortiProxy_ and FortiSwitchManager 7.2.0 - Authentication bypass

    Open source ↗
  • GitHub PoCarsolutioner/fortigate-belsen-leak
    First seen Jan 16, 2025

    Research repository tracking affected IPs from the Fortigate CVE-2022-40684 configuration leak by Belsen Group

    Open source ↗
  • Exploit-DBEDB-51092
    First seen Mar 27, 2023

    FortiOS_ FortiProxy_ FortiSwitchManager v7.2.1 - Authentication Bypass

    Open source ↗
  • GitHub PoChughink/CVE-2022-40684
    First seen Oct 28, 2022
    Open source ↗
  • GitHub PoCTaroballzChen/CVE-2022-40684-metasploit-scanner
    First seen Oct 27, 2022

    An authentication bypass using an alternate path or channel in Fortinet product

    Open source ↗
  • GitHub PoCqingsiweisan/CVE-2022-40684
    First seen Oct 26, 2022
    Open source ↗
  • GitHub PoCxtwip/fortipwn
    First seen Oct 16, 2022

    Forti CVE-2022-40684 enumeration script built in Rust

    Open source ↗
  • GitHub PoCChocapikk/CVE-2022-40684
    First seen Oct 15, 2022

    Fortinet Critical Authentication Bypass Vulnerability (CVE-2022-40684) [ Mass Exploit ]

    Open source ↗
  • GitHub PoCsecunnix/CVE-2022-40684
    First seen Oct 14, 2022
    Open source ↗
  • GitHub PoChorizon3ai/CVE-2022-40684
    First seen Oct 13, 2022

    A proof of concept exploit for CVE-2022-40684 affecting Fortinet FortiOS, FortiProxy, and FortiSwitchManager

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2022-40684?
CVE-2022-40684 is a critical vulnerability published on October 18, 2022. 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…
When was CVE-2022-40684 disclosed?
CVE-2022-40684 was first published in the National Vulnerability Database on October 18, 2022, with the most recent update on January 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-40684 actively exploited?
Yes. CISA added CVE-2022-40684 to the Known Exploited Vulnerabilities catalog on October 11, 2022, affecting Fortinet Multiple Products. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2022-40684?
CVE-2022-40684 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2022-40684?
CVE-2022-40684 affects Fortinet Multiple Products. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2022-40684?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-40684, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2022-40684

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