CVE-2019-5591

Fortinet FortiOS Default Configuration Vulnerability

Fortinet FortiOSNetwork & edge

CVSS

6.5Medium

ExploitationExploited in the wildAdded to KEV 3 Nov 2021. Known ransomware useCISA KEV

Exploit odds (EPSS)18.6%Chance of exploitation activity in the next 30 days, higher than 97% of CVEs. Scored 23 Oct 2026FIRST EPSS

Fixed inNone listedNo source names a fixed version. Check the vendor advisory below

Federal deadline3 May 2022Remediation due date for US federal agenciesCISA KEV

CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

14 Aug 2020, 15:28 UTCPublishedCVE List
3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 1

Scanner templateFortiOS - Insecure LDAP Configuration DetectionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Fortinet FortiOS contains a default configuration vulnerability that may allow an unauthenticated attacker on the same subnet to intercept sensitive information by impersonating the Lightweight Directory Access Protocol (LDAP) server.

Text from CVE List

Affected versions 1

Fortinet FortiOSaffected: FortiOS 6.2.0 and below.CVE List