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CVE-2021-22124

7.5 · HIGH
Published Aug 4, 2021 fortinet CWE-400 EPSS 1.02% (61th pctl)

Overview

CVE-2021-22124 is a high-severity vulnerability affecting fortinet fortiauthenticator. It was published on August 4, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from fortinet. Update fortiauthenticator to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
fortinet fortiauthenticator 4.0.0 Affected
fortinet fortisandbox >= 3.0.0, < 3.0.7 Affected

Frequently Asked Questions

What is CVE-2021-22124?

CVE-2021-22124 is a high-severity vulnerability affecting fortinet fortiauthenticator. It was published on August 4, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2021-22124?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-22124?

Check the references section for vendor advisories and patches from fortinet. Update fortiauthenticator to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-22124?

CyberStrike's AI-powered security agents can automatically detect CVE-2021-22124 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.