CVE-2021-22124

7.5 highEPSS 1.0%

High (7.5) in fortinet. EPSS 1.0% chance of exploitation in the next 30 days.

An uncontrolled resource consumption (denial of service) vulnerability in the login modules of FortiSandbox 3.2.0 through 3.2.2, 3.1.0 through 3.1.4, and 3.0.0 through 3.0.6; and FortiAuthenticator before 6.0.6 may allow an unauthenticated attacker to bring the device into an unresponsive state via specifically-crafted long request parameters.

Severity

CVSS 3.1

7.5 high

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

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CWE: CWE-400
Published: 2021-08-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fortinet:fortiauthenticator
fortinet:fortisandbox

References

https://fortiguard.com/advisory/FG-IR-20-170
https://fortiguard.com/advisory/FG-IR-20-170

Check your stack JSON