CVE-2019-5591
Fortinet FortiOS: Missing Authentication for Critical Function
- Act now
- CVSS 6.5 Medium
- CISA KEV, due
- VulnCheck KEV
- ENISA exploited-vulnerability catalog
What it is
ReportedFortinet 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.
Dates
What is affected
ReportedFortinet; FortiOS. Product-level identification only; no affected-version conclusion is available from this field.
Dates
Urgency and basis
Tracker computedAct now
Current priority score and EPSS: loading from the tracker record. They are read when this page loads and are not shown without JavaScript. They change daily and are not part of "Source last updated".
Dates
Exploitation evidence
ReportedActive exploitation · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog
Dates
What to do
ReportedApply updates per vendor instructions.
Source remediation ↗Dates
Detection and validation
Mapped metadata availability only. These signals do not change priority.
Sigma
Potential SMB Relay Attack Tool Execution. Level: critical. Status: test.
Open Sigma metadataAtomic
Copy Apple Notes database files using AppleScript. Executor: sh. Elevation: not required.
Open Atomic metadataNuclei
FortiOS - Insecure LDAP Configuration Detection. Check identifier: CVE-2019-5591.
Open Nuclei metadata
Evidence detail
Loading the full tracker evidence record…