All vulnerabilities

Servers and applications

CVE-2018-13374

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.

Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 8 Sept 2022.

Severity
Medium 4.3
Published
22 Jan 2019
Last changed
1 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
6.0.3
Exploit chance
38% in the next 30 daysHigher than 98% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Fortinet FortiOSServers and applications · cpe:o:fortinet:fortios
  • Every version before 6.0.3

Known exploited

CISA name
Fortinet FortiOS and FortiADC Improper Access Control Vulnerability
Required action
Apply updates per vendor instructions.
Due for US agencies
29 Sept 2022
Used in ransomware
Yes, known

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-13374
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-13374