{"cve":"CVE-2019-5591","nvd":{"published":"2020-08-14T16:15:16.070","modified":"2026-08-15T04:17:41.413","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-306"],"references":["https://www.fortiguard.com/psirt/FG-IR-19-037","https://www.fortiguard.com/psirt/FG-IR-19-037","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-5591"],"products":["fortinet:fortios"],"source":"nvd","synced_at":"2026-10-19T21:09:20.498348299+00:00"},"epss":{"cve":"CVE-2019-5591","score":0.18566,"percentile":0.97253,"date":"2026-10-31"},"kev":{"cve":"CVE-2019-5591","date_added":"2021-11-03","due_date":"2022-05-03","vendor":"Fortinet","product":"FortiOS","known_ransomware":true},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}