CVE-2018-13374
medium CISA KEVFortinet FortiOS and FortiADC Improper Access Control Vulnerability
Vendor / product: Fortinet — FortiOS and FortiADC
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
4.3
4.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2019-01-22 14:29
Modified: 2026-10-01 19:17
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-10-27 07:07 UTC
Exploitation
Listed in CISA KEV
Added 2022-09-08 · due 2022-09-29
Known ransomware use: Known
Required action (CISA)
Apply updates per vendor instructions.
Affected products
fortinet / fortiadc ≥5.4.0 <5.4.5, ≥6.0.0 <6.0.2, 6.1.0
fortinet / fortios <6.0.3
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://fortiguard.com/advisory/FG-IR-18-157
Vendor advisory: https://fortiguard.com/advisory/FG-IR-18-157
References
- https://fortiguard.com/advisory/FG-IR-18-157 psirt@fortinet.com
- https://fortiguard.com/advisory/FG-IR-18-157 af854a3a-2127-422b-91ae-364da2661108
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-13374 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
CISA KEV — fetched 2026-10-27 06:50 UTC · record ↗
NVD CVE API 2.0 — fetched 2026-10-27 07:07 UTC · record ↗