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.
https://www.fortiguard.com/psirt/FG-IR-18-157; https://nvd.nist.gov/vuln/detail/CVE-2018-13374
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2018-13374 |
| Vendor / Product | Fortinet — FortiOS and FortiADC |
| NVD Published | 2019-01-22 |
| NVD Last Modified | 2025-10-24 |
| CVSS 3.1 Score | 4.3 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| Severity | MEDIUM |
| CWE | CWE-732 find similar ↗ |
| CISA KEV Added | 2022-09-08 |
| CISA KEV Deadline | 2022-09-29 |
| Known Ransomware Use | ⚠️ Yes |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Required Action
CISA BOD 22-01 Deadline: 2022-09-29.
Apply updates per vendor instructions.
Timeline
| Date | Event |
|---|---|
| 2022-09-08 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2022-09-29 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2018-13374 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |