CVE-2018-13374VulnerabilityPublished 09/08/2022Updated 10/24/2026
CVE-2018-13374: Fortinet FortiOS and FortiADC Improper Access Control Vulnerability
Affects Fortinet FortiOS and FortiADCSource CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 09/08/2022
- KEV deadline
- 09/29/2022
- Ransomware
- Used in ransomware campaigns
- EPSS
- 38.1% chance of exploitation in 30 days – higher than 98% of CVEs
What to do
CISA required action
Apply updates per vendor instructions.
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.