CVE-2019-5591
Last modified
CVE-2019-5591 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A Default Configuration vulnerability in FortiOS may allow an unauthenticated attacker on the same subnet to intercept sensitive information by impersonating the LDAP server.. CISA has confirmed active exploitation in the wild. EPSS estimates a 18.57% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortios | <= 6.2.0 |
References
- https://www.fortiguard.com/psirt/FG-IR-19-037Mitigation, Vendor Advisory
- https://www.fortiguard.com/psirt/FG-IR-19-037Mitigation, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-5591US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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