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Critical9.6Fortinet Exploited CISA KEV

Critical [CVE-2022-40684] Fortinet FortiOS, FortiProxy, FortiSwitchManager: 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

This critical-severity Fortinet advisory covers CVE-2022-40684 affecting FortiOS, FortiProxy.

CVE-2022-40684 Published Oct 18, 2022Updated by vendor Aug 6, 2026
Affected products & platforms
FortinetFortiGateFirewallFortiOSFortiProxyFortiSwitch
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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.

Affected product named by the advisory: Fortinet FortiOS, FortiProxy, FortiSwitchManager.

CISA Known Exploited Vulnerability

Listed:
Oct 11, 2022 · federal remediation due Nov 1, 2022
Required action:
Apply updates per vendor instructions.
Ransomware use:
Known

KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.

Affected versions
  • FortiOS 7.2: 7.2.0 through 7.2.1
  • FortiOS 7.0: 7.0.0 through 7.0.6 (special below for FG6000F and 7000E models)
  • FortiProxy 7.2: 7.2.0
  • FortiProxy 7.0: 7.0.0 through 7.0.6
  • FortiSwitchManager 7.2: 7.2.0
  • FortiSwitchManager 7.0: 7.0.0

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

Fixed versions
  • FortiOS 7.2: 7.2.2
  • FortiOS 7.0: 7.0.7
  • FortiProxy 7.2: 7.2.1
  • FortiProxy 7.0: 7.0.7
  • FortiSwitchManager 7.2: 7.2.1
  • FortiSwitchManager 7.0: 7.0.1

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Upgrade per the Affected/Solution table: FortiOS 7.2: 7.2.2; FortiOS 7.0: 7.0.7; FortiProxy 7.2: 7.2.1; FortiProxy 7.0: 7.0.7; FortiSwitchManager 7.2: 7.2.1; ….

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

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