CVE DATABASE / CVE-2018-13374
CVE-2018-13374
Fortinet FortiOS and FortiADC Improper Access Control Vulnerability
Confirmed exploited in the wild. Added 2022-09-08.
Federal remediation due 2022-09-29.
Required action: Apply updates per vendor instructions.
Summary
A Improper Access Control in Fortinet FortiOS 6.0.2, 5.6.7 and before, FortiADC 6.1.0, 6.0.0 to 6.0.1, 5.4.0 to 5.4.4 allows attacker to obtain the LDAP server login credentials configured in FortiGate via pointing a LDAP server connectivity test request to a rogue LDAP server instead of the configured one.
CVSS 3.1 breakdown
| Base score | 4.3 (MEDIUM) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity | NONE |
| Availability | NONE |
Weakness type (CWE)
Affected products
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References
- https://fortiguard.com/advisory/FG-IR-18-157
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-13374
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-24. Always verify against the vendor advisory before acting.