CVE-2018-13374 — Fortinet FortiOS and FortiADC Improper Access Control Vulnerability
Overview
Fortinet FortiOS and FortiADC contain an improper access control vulnerability that allows attackers to obtain the LDAP server login credentials configured in FortiGate by pointing a LDAP server connectivity test request to a rogue LDAP server.
Vulnerability details
- CVE ID
- CVE-2018-13374
- Vulnerability
- Fortinet FortiOS and FortiADC Improper Access Control Vulnerability
- Vendor
- Fortinet
- Affected products
- Fortinet: FortiOS and FortiADC
- Severity
- HIGH
- Exploitation status
- Actively exploited in the wild (CISA KEV)
- Published
- 2022-09-08
Remediation guidance
CVE-2018-13374 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-2018-13374 — and stay ahead of the next one
CVE-2018-13374 is listed in the CISA KEV catalog as actively exploited — treat remediation as urgent. Scan your domain free to see whether CVE-2018-13374 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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