CVE-2022-40684 (GCVE-0-2022-40684)

Vulnerability from cvelistv5 – Published: 2022-10-18 00:00 – Updated: 2026-08-06 03:55
VLAI CISA Shadowserver Previdian SiberKapan
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.
Severity
9.8 (Critical)
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
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2022-10-11 00:00 UTC
CWE
  • Execute unauthorized code or commands
  • CWE-287 - Improper Authentication
Assigner
fortinet CNA under the mitre root
CNA scorecard C 72/100 over 145 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Fortinet Fortinet FortiOS, FortiProxy, FortiSwitchManager 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
guessed Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 7d5078d2-9fc2-443b-952b-331db33a6a5e

Vulnerability ID: CVE-2022-40684

Status: Confirmed

Status Updated: 2022-10-11 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-10-11
Asserted: 2022-10-11
Scope
Notes: Fortinet Multiple Products Authentication Bypass Vulnerability | Affected: Fortinet / Multiple Products | Description: 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. | Required action: Apply updates per vendor instructions. | Due date: 2022-11-01 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://www.fortiguard.com/psirt/FG-IR-22-377; https://nvd.nist.gov/vuln/detail/CVE-2022-40684
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-288
Feed CISA Known Exploited Vulnerabilities Catalog
Product Multiple Products
Due Date 2022-11-01
Date Added 2022-10-11
Vendorproject Fortinet
Vulnerabilityname Fortinet Multiple Products Authentication Bypass Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-02-02 12:27 UTC | Updated: 2026-11-04 13:36 UTC
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 97de8a32-271d-44a6-8f81-081bfbef74f9

Vulnerability ID: CVE-2022-40684

Status: Confirmed

Status Updated: 2026-11-11 00:00 UTC

Exploited: Yes

Characteristics
Severity: 96.0
Timestamps
First Seen: 2023-10-14
Asserted: 2023-10-14
Last Seen: 2026-11-11
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Fortinet / FortiOS, FortiProxy, and FortiSwitchManager | Class: firewall | Severity: Critical (CVSS 9.6) | IoT: no | In CISA KEV: yes | Honeypot connections on 2026-11-11: 19319
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 16
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class firewall
7D Avg 9
Vendor Fortinet
30D Avg 10
90D Avg 10
Product FortiOS, FortiProxy, and FortiSwitchManager
Cisa Kev yes
Connections 19319
Observation Date 2026-11-11
Vulnerability Class CVSS
Vulnerability Score 9.6
Vulnerability Severity Critical
References
Created: 2026-06-30 09:22 UTC | Updated: 2026-11-13 01:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 96d1cdaa-2e31-43c3-9c81-f79b5daccb90

Vulnerability ID: CVE-2022-40684

Status: Confirmed

Status Updated: 2022-10-11 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-10-11
Asserted: 2022-10-11
Scope
Notes: KEVIntel entry: 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,... | Affected: Fortinet / Fortinet FortiOS, FortiProxy, FortiSwitchManager | CVSS: 9.8 (CRITICAL) | EPSS: 0.99984 | Used in malware: yes | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Confirmed Compromise

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title 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,...
Vendor Fortinet
Product Fortinet FortiOS, FortiProxy, FortiSwitchManager
Added Date 2022-10-11T00:00:00.000Z
Cvss Score 9.8
Epss Score 0.99984
Cvss Severity CRITICAL
Epss Percentile 0.99982
Used In Malware yes
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:05 UTC | Updated: 2026-07-10 06:14 UTC
SiberKapan
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 9f2a2593-c20b-4f23-b2cf-8352d6548cf0

Vulnerability ID: CVE-2022-40684

Status: Suspected

Status Updated: 2026-11-07 13:23 UTC

Exploited: Yes

Timestamps
First Seen: 2026-08-15
Last Seen: 2026-08-15
Scope
Observation Regions: Western Asia
Asset Exposure: ['internet-facing']
Notes: Observed on SiberKapan honeypot and production web server sensors located in Turkey. Regions reflect sensor coverage, not global exclusivity.
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 40%

Source: SiberKapan

Details
Description Fortinet FortiOS auth bypass
Attempts 90D 2
Sensor Types nginx
Signature Strength weak
Distinct Source Ips 90D 1
Successful Exploitation False
References
Created: 2026-11-07 18:06 UTC | Updated: 2026-11-07 18:06 UTC
Show details on NVD website
To clipboard 

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}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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Vulnerability timeline

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