Hazard

Is CVE-2018-13374 being exploited?

Ransomware crews are using this

CISA has linked this vulnerability to known ransomware campaigns. Treat any exposed instance as an active incident, not a patching ticket.

Fortinet FortiOS and FortiADC Improper Access Control Vulnerability

Fortinet · FortiOS and FortiADC

CVSS 4.3 EPSS 38% 1 public exploit ransomware Fix deadline passed 29 September 2022

What it is

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.

Why we say that

  • Linked by CISA to known ransomware campaigns
  • 1 public exploit published
  • CISA's federal remediation deadline (2022-09-29) has passed
  • Listed in the CISA Known Exploited Vulnerabilities catalogue

Every line above comes from a named public source. Where the evidence is thin, we say so rather than inventing confidence — see methodology.

What to do

Apply updates per vendor instructions.

Public exploit code

Indexed from Exploit-DB. Presence of code raises urgency; absence does not mean safety.

What it costs when this goes wrong

This is where UK enforcement meets the vulnerability record. This vulnerability is used in ransomware campaigns; here is what ransomware has cost UK organisations at the regulator.

All UK cases caused by ransomware →