CVE-2019-5591—Fortinet FortiOS Default Configuration Vulnerability

PUBLISHEDvulnerability record
2021-11-03 · last modified August 14, 2026

Metadata

CVE ID:
CVE-2019-5591
Project:
Fortinet
Product:
FortiOS
Date Added:
2021-11-03
Due Date:
2022-05-03
Last Updated:
August 14, 2026

Vulnerability Name

Fortinet FortiOS Default Configuration Vulnerability

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.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
KNOWN

Action

Apply updates per vendor instructions.

Additional Notes

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

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