CVE-2021-36177 Missing authorization in n/a

What is CVE-2021-36177?

CVE-2021-36177 is a medium-severity missing authorization vulnerability in n/a, published on 2 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An improper access control vulnerability [CWE-284] in FortiAuthenticator HA service 6.3.2 and below, 6.2.x, 6.1.x, 6.0.x may allow an attacker on the same vlan as the HA management interface to make an unauthenticated direct connection to the FAC's database.

Which versions are affected by CVE-2021-36177?

It affects 1 product.

Products include Fortinet Fortiauthenticator.

How do I fix CVE-2021-36177?

No fix has been published for CVE-2021-36177 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-36177 being exploited?

There is no known exploitation of CVE-2021-36177 in the wild and no public exploit code.

Other vulnerabilities in n/a

• 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-v8x4-gj4q-pwgq.