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CVE-2021-43067

8.3 · HIGH
Published Dec 8, 2021 fortinet CWE-200 EPSS 1.10% (63th pctl)

Overview

CVE-2021-43067 is a high-severity vulnerability affecting fortinet fortiauthenticator. It was published on December 8, 2021 and has a CVSS 3.1 base score of 8.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.3, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical Description

A exposure of sensitive information to an unauthorized actor in Fortinet FortiAuthenticator version 6.4.0, version 6.3.2 and below, version 6.2.1 and below, version 6.1.2 and below, version 6.0.7 to 6.0.1 allows attacker to duplicate a target LDAP user 2 factors authentication token via crafted HTTP requests.

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 6.0.1 Affected

Frequently Asked Questions

What is CVE-2021-43067?

CVE-2021-43067 is a high-severity vulnerability affecting fortinet fortiauthenticator. It was published on December 8, 2021 and has a CVSS 3.1 base score of 8.3 (HIGH).

How severe is CVE-2021-43067?

This vulnerability has a CVSS 3.1 base score of 8.3, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-43067?

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-2021-43067?

CyberStrike's AI-powered security agents can automatically detect CVE-2021-43067 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.