CVE-2021-36177: Medium severity fortinet fortiauthenticator vulnerability

Published Feb 2, 2022
·
Updated

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.

Affected Software

1 affected component
Fortinet FortiAuthenticator>=6.0.0<6.3.3

Event History

Feb 2, 2022
CVE Published
via MITRE·10:54 AM
Data Sourced
via MITRE·10:54 AM
DescriptionSeverity
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 CVE-2021-36177?

CVE-2021-36177 is an improper access control vulnerability in FortiAuthenticator HA service 6.3.2 and below, 6.2.x, 6.1.x, 6.0.x.

2

How does CVE-2021-36177 affect FortiAuthenticator?

CVE-2021-36177 allows an attacker on the same VLAN as the HA management interface to make an unauthenticated direct connection to the FortiAuthenticator's database.

3

What is the severity of CVE-2021-36177?

CVE-2021-36177 has a severity level of medium.

4

How can I fix CVE-2021-36177?

To fix CVE-2021-36177, upgrade FortiAuthenticator to version 6.3.3 or apply the necessary patches provided by Fortinet.

5

Where can I find more information about CVE-2021-36177?

You can find more information about CVE-2021-36177 on the FortiGuard Advisory page: https://fortiguard.com/psirt/FG-IR-20-217

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