CVE-2019-5591

MEDIUM KEV RANSOMWARE NUCLEI

Fortinet Fortios < 6.2.0 - Missing Authentication

Title source: rule

Description

A Default Configuration vulnerability in FortiOS may allow an unauthenticated attacker on the same subnet to intercept sensitive information by impersonating the LDAP server.

Exploits (1)

nomisec WORKING POC
by ayewo · poc
https://github.com/ayewo/fortios-ldap-mitm-poc-CVE-2019-5591

Nuclei Templates (1)

FortiOS - Insecure LDAP Configuration Detection
MEDIUMby ayewo
Shodan: cpe:"cpe:2.3:o:fortinet:fortios"

Scores

CVSS v3 6.5
EPSS 0.4836
EPSS Percentile 97.8%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CISA KEV 2021-11-03
VulnCheck KEV 2021-04-02
InTheWild.io 2021-07-23
ENISA EUVD EUVD-2019-15166
Ransomware Use Confirmed
CWE
CWE-306
Status published
Products (1)
fortinet/fortios < 6.2.0
Published Aug 14, 2020
KEV Added Nov 03, 2021
Tracked Since Feb 18, 2026