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CISA Known Exploited Vulnerability

This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.

CVE

CVE-2019-5591

6.5

CVSSmedium

Exploitable from an adjacent network · no authentication required.

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.

Attack Vector

Adjacent

Privileges Req.

None

User Interaction

None

fortinet fortios

Updated Oct 23, 2026View on NVD →

S4E scanner

mediumProduct Based Web Vulnerabilities~10 seconds

CVE-2019-5591 Scanner

CVE-2019-5591 Scanner - Man in the Middle (MitM) vulnerability in FortiGate

Used 3.1k times · 3.4k assets checked · domain, subdomain, ipv4

Scanner page →Run scanner

CVE history: fortinet fortios

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