Home/CVE/An uncontrolled resource consumption (denial of service) vulnerability in the login modules of FortiSandbox 3.2.0 throug
CVE

CVE-2021-22124

An uncontrolled resource consumption (denial of service) vulnerability in the login modules of FortiSandbox 3.2.0 throug

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.

HIGH · CVSS 7.5 EPSS 0.01138
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

6
fortinet fortiauthenticator>= 4.0.0 and <= 4.3.4
fortinet fortiauthenticator>= 5.0.0 and <= 5.5.0
fortinet fortiauthenticator>= 6.0.0 and < 6.0.6
fortinet fortisandbox>= 3.0.0 and < 3.0.7
fortinet fortisandbox>= 3.1.0 and < 3.1.5
fortinet fortisandbox>= 3.2.0 and < 3.2.2
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · psirt@fortinet.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Aug 2021 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://fortiguard.com/advisory/FG-IR-20-170Vendor Advisory
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