CVE-2022-40684 — Fortinet Multiple Products Authentication Bypass Vulnerability
Overview
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.
Vulnerability details
- CVE ID
- CVE-2022-40684
- Vulnerability
- Fortinet Multiple Products Authentication Bypass Vulnerability
- Vendor
- Fortinet
- Affected products
- Fortinet: Multiple Products
- Severity
- HIGH
- Exploitation status
- Actively exploited in the wild (CISA KEV)
- Published
- 2022-10-11
Remediation guidance
CVE-2022-40684 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.
Apply the vendor's official security update for Fortinet the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.
Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.
Authoritative references
Remediate CVE-2022-40684 — and stay ahead of the next one
CVE-2022-40684 is listed in the CISA KEV catalog as actively exploited — treat remediation as urgent. Scan your domain free to see whether CVE-2022-40684 and other Fortinet issues affect you and get a prioritized remediation report (full report from ₹999) — or stream the full feed of 1,600+ actively-exploited CVEs straight into your SOC.
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