CVE-2021-41020 Missing authorization in Fortinet FortiIsolator

What is CVE-2021-41020?

CVE-2021-41020 is a high-severity missing authorization vulnerability in Fortinet FortiIsolator, published on 4 May 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An improper access control vulnerability [CWE-284] in FortiIsolator versions 2.3.2 and below may allow an authenticated, non privileged attacker to regenerate the CA certificate via the regeneration URL.

Which versions are affected by CVE-2021-41020?

It affects 1 product.

Products include Fortinet Fortiisolator.

How do I fix CVE-2021-41020?

No fix has been published for CVE-2021-41020 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-2021-41020 being exploited?

There is no known exploitation of CVE-2021-41020 in the wild and no public exploit code.

Other vulnerabilities in Fortinet FortiIsolator

• CVE-2020-6649 Auth bypass in Fortinet FortiIsolator Critical 9.8
• CVE-2024-55590 Command injection in FortiIsolator High 8.6
• CVE-2024-33507 Auth bypass in FortiIsolator High 7.0
• CVE-2024-54024 Command injection in FortiIsolator High 7.0
• CVE-2022-22298 Command injection in FortiIsolator Medium 6.7

Sources

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

Also known as GHSA-v9h9-p74g-4ccw.