Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV A L N N U H N N 6.5 .1842 97.0 YES
AFFECTED Product Versions Fixed Fortinet FortiOS FortiOS 6.2.0 and below. – —
TIMELINE Jan 7 Reserved by fortinet Nov 3 Added to CISA KEV, remediation due 2022-05-03 Nov 3 Published (CNA: fortinet)
A Default Configuration vulnerability in FortiOS may allow an unauthenticated attacker on the same subnet to intercept sensitive information by impersonating the LDAP server.
| Date | Event | Detail |
|---|---|---|
| January 7, 2019 | Reserved | Reserved by fortinet |
| November 3, 2021 | KEV ADDED | Added to CISA KEV, remediation due 2022-05-03 |
| November 3, 2021 | Published | Published (CNA: fortinet) |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| Fortinet | Fortinet FortiOS | — | FortiOS 6.2.0 and below. | — |
Authoritative record: CVE-2019-5591 at cve.org
Vendors: fortinet
Weaknesses: CWE-306
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2019-5591 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.