CVE-2021-43068 Auth bypass in Fortinet FortiAuthenticator

What is CVE-2021-43068?

CVE-2021-43068 is a medium-severity authentication bypass vulnerability in Fortinet FortiAuthenticator, published on 9 Dec 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A improper authentication in Fortinet FortiAuthenticator version 6.4.0 allows user to bypass the second factor of authentication via a RADIUS login portal.

Weakness: CWE-287

Which versions are affected by CVE-2021-43068?

It affects 1 product.

Products include Fortinet Fortiauthenticator.

How do I fix CVE-2021-43068?

No fix has been published for CVE-2021-43068 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-43068 being exploited?

There is no known exploitation of CVE-2021-43068 in the wild and no public exploit code.

Other vulnerabilities in Fortinet FortiAuthenticator

• CVE-2026-44277 Missing authorization in FortiAuthenticator Critical 9.1
• CVE-2013-6990 Privilege escalation in n/a Critical 9.0
• CVE-2021-43067 Information disclosure in Fortinet FortiAuthenticator High 8.3
• CVE-2021-22124 Denial of service in Fortinet FortiSandbox, FortiAuthenticator High 7.5
• CVE-2015-1455 Hardcoded credentials in n/a High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-7c78-24gm-9rqf.