CVE-2021-22124

HIGH

FortiAuthenticator <6.0.6 & FortiSandbox 3.0.0-3.2.2 - DoS via Long Request Parameters

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://fortiguard.com/advisory/FG-IR-20-170

Scores

CVSS v3 7.5
EPSS 0.0114
EPSS Percentile 78.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (2)
fortinet/fortiauthenticator 4.0.0 - 4.3.4
fortinet/fortisandbox 3.0.0 - 3.0.7
Published Aug 04, 2021
Tracked Since Feb 18, 2026