CVE-2020-6649 Auth bypass in Fortinet FortiIsolator

Critical 9.8 Published 8 Feb 2021 Updated 25 Oct 2024

Attackers can reuse unexpired admin session IDs to gain administrative privileges on FortiIsolator if they obtain the session ID.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-6649?

CVE-2020-6649 is a critical authentication bypass vulnerability in Fortinet FortiIsolator, published on 8 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An insufficient session expiration vulnerability in FortiNet's FortiIsolator version 2.0.1 and below may allow an attacker to reuse the unexpired admin user session IDs to gain admin privileges, should the attacker be able to obtain that session ID (via other, hypothetical attacks)

Weakness: CWE-613

Which versions are affected by CVE-2020-6649?

It affects 1 product.

Products include Fortinet Fortiisolator.

How do I fix CVE-2020-6649?

No fix has been published for CVE-2020-6649 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-2020-6649 being exploited?

There is no known exploitation of CVE-2020-6649 in the wild and no public exploit code.

Sources

Also known as GHSA-qxf7-8j2m-38vq.