CVE-2021-36190

6.3 mediumEPSS 0.8%

Medium (6.3) in fortinet fortiweb. EPSS 0.8% chance of exploitation in the next 30 days.

A unintended proxy or intermediary ('confused deputy') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows an unauthenticated attacker to access protected hosts via crafted HTTP requests.

Severity

CVSS 3.1

6.3 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
Published: 2021-12-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fortinet:fortiweb

References

https://fortiguard.com/advisory/FG-IR-21-123
https://fortiguard.com/advisory/FG-IR-21-123

Check your stack JSON