CVE-2018-13374Actively exploitedAdded to KEV 2022-09-08Medium severity, CVSS 4.3Known ransomware campaign use

Fortinet FortiOS and FortiADC Improper Access Control Vulnerability

Fortinet, FortiOS and FortiADC

Description

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.

CVSS severity

Medium (4.3/10)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Sourced from NVD, reflects how severe this vulnerability is if exploited, not whether it has been. Every advisory on this page is already a CISA-confirmed active exploitation case regardless of its CVSS score.

EPSS, exploit probability

High

38.1%

estimated chance of real-world exploitation in the next 30 days, higher than 98.6% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2022-09-29

CWE-732

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