CVE-2018-13374A 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 FortiGa…
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It affects Fortinet FortiOS, fortiADC and 2 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Sep 8, 2022; federal agencies had to remediate by Sep 29, 2022, and it is known to be used in ransomware. Treat that date as your deadline.
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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 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-732
- Known exploited
- Added to CISA KEV Sep 8, 2022; federal remediation due Sep 29, 2022; known ransomware useApply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 38.09% (percentile 99)
- Assigned by
- fortinet
- NVD analysis
- Analyzed
- Record last updated
- Oct 1, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Fortinet Fortinet FortiOS, fortiADC fortinet:fortios_fortiadc (from the name) | 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 | CNA record |
fortinet fortiadc fortinet:fortiadc | from 5.4.0 before 5.4.5; from 6.0.0 before 6.0.2; 6.1.0 | NVD |
fortinet fortios fortinet:fortios | before 6.0.3 | NVD |
References
- https://fortiguard.com/advisory/FG-IR-18-157x-refsource-confirm, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-13374us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.