Exploited Vulnerabilities DailyCVE-2019-5591: Fortinet FortiOS
EPSS18.5%No. 1147 of 1739 in KEV
CVE year2019~2 yrs before listing
Same vendor in KEV31
Same product9
| Field | Value |
|---|---|
| Vendor | Fortinet |
| Product | FortiOS |
| Name | Fortinet FortiOS Default Configuration Vulnerability |
| Added to KEV | 2021-11-03 |
| US federal due date | 2022-05-03 |
| Ransomware use | Known |
| CWE | CWE-306 |
CISA description
Fortinet 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.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2025-68686 | Fortinet FortiOS | 2026-07-27 | 29.4% | Unknown |
| CVE-2019-6693 | Fortinet FortiOS | 2025-06-25 | 5.8% | Known |
| CVE-2024-21762 | Fortinet FortiOS | 2024-02-09 | 83.4% | Known |
| CVE-2022-41328 | Fortinet FortiOS | 2023-03-14 | 10.6% | Unknown |
| CVE-2022-42475 | Fortinet FortiOS | 2022-12-13 | 99.4% | Known |
| CVE-2021-44168 | Fortinet FortiOS | 2021-12-10 | 0.8% | Unknown |
| CVE-2020-12812 | Fortinet FortiOS | 2021-11-03 | 45.3% | Known |
| CVE-2018-13379 | Fortinet FortiOS | 2021-11-03 | 99.9% | Known |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A Fortinet FortiOS vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2021-11-03.