CVE-2019-5591

MEDIUMCVSS 6.5Known Exploited

CISA Known Exploited Vulnerability

https://nvd.nist.gov/vuln/detail/CVE-2019-5591

Remediation deadline: May 3, 2022

Ransomware use: Known

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.

Timeline

Published:August 14th, 2020 4:15 PM

Last modified:August 15th, 2026 4:17 AM

Added to KEV:November 3rd, 2021

CVSS Scoring

CVSS v3: 6.5 (MEDIUM)

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2: 3.3

Affected Software

From NVD CPE configuration data

Vendors

fortinet

Products

fortios

Weaknesses (CWE)

CWE-306

References & Reports

Advisories, patches, and third-party reports

https://www.fortiguard.com/psirt/FG-IR-19-037Mitigation
https://www.fortiguard.com/psirt/FG-IR-19-037Mitigation
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-5591US Government Resource

Source: NIST NVD · Data may lag official sources by up to one minute