CVE-2021-22124: Uncontrolled Resource Consumption (Denial of Service) in login module

Published Aug 3, 2021
·
Updated

An uncontrolled resource consumption (denial of service) vulnerability in FortiSandbox and FortiAuthenticator login modules may allow an unauthenticated attacker to bring the device into an unresponsive state via specifically-crafted long request parameters.

Other sources

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.

Affected Software

6 affected components
Fortinet FortiAuthenticator>=4.0.0<=4.3.4
Fortinet FortiAuthenticator>=5.0.0<=5.5.0
Fortinet FortiAuthenticator>=6.0.0<6.0.6
Fortinet FortiSandbox>=3.0.0<3.0.7
Fortinet FortiSandbox>=3.1.0<3.1.5
Fortinet FortiSandbox>=3.2.0<3.2.2

Event History

Aug 3, 2021
Advisory Published
via FortiGuard·12:00 AM
Data Sourced
via FortiGuard·12:00 AM
DescriptionSeverityWeaknessAffected Software
Aug 4, 2021
CVE Published
via MITRE·06:18 PM
Data Sourced
via MITRE·06:18 PM
DescriptionSeverityWeakness
Oct 25, 2024
Advisory Published
via FortiGuard·12:00 AM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the vulnerability ID for this FortiSandbox and FortiAuthenticator vulnerability?

The vulnerability ID for this FortiSandbox and FortiAuthenticator vulnerability is CVE-2021-22124.

2

What is the severity of CVE-2021-22124?

The severity of CVE-2021-22124 is high with a severity value of 7.5.

3

What software versions are affected by CVE-2021-22124?

FortiSandbox versions 3.2.0 through 3.2.2, 3.1.0 through 3.1.4, and 3.0.0 through 3.0.6, as well as FortiAuthenticator versions before 6.0.6 are affected by CVE-2021-22124.

4

How does CVE-2021-22124 impact FortiSandbox and FortiAuthenticator?

CVE-2021-22124 can allow an unauthenticated attacker to bring the device into an unresponsive state through an uncontrolled resource consumption (denial of service) vulnerability in the login modules.

5

Is there a reference for CVE-2021-22124?

Yes, you can find more information about CVE-2021-22124 at the following reference: https://fortiguard.com/advisory/FG-IR-20-170

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203