{"cve_id":"CVE-2019-5591","published":"2020-08-14T16:15:16.070000+00:00","last_modified":"2026-08-15T04:17:41.413000+00:00","vuln_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_version":"3.1","cvss_vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","base_score":6.5,"base_severity":"MEDIUM","attack_vector":"ADJACENT_NETWORK","privileges_req":"NONE","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"NONE","impact_a":"NONE","cwe_ids":["CWE-306"],"in_kev":true,"kev_date_added":"2021-11-03","kev_ransomware":true,"epss_score":0.18566,"epss_percentile":0.97253,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"ADJACENT","req_user_interaction":false,"grant_access":"USER","caps":["AUTH_BYPASS","INFO_DISCLOSURE"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T09:24:11.374774+00:00","first_seen":"2020-08-14T16:15:16.070000+00:00","kev_first_seen":"2021-11-03T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["fortinet"],"products":["fortios"],"affected":[{"vendor":"fortinet","product":"fortios","ranges":["≤ 6.2.0"]}]}