CVE-2024-27779 Auth bypass in FortiIsolator
Remote attackers with admin session cookies can retain access after admin deletion, requiring upgrades to FortiSandbox and FortiIsolator.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-27779?
CVE-2024-27779 is a medium-severity authentication bypass vulnerability in Fortinet Fortisandbox, published on 18 Jul 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
An insufficient session expiration vulnerability [CWE-613] in FortiSandbox FortiSandbox version 4.4.4 and below, version 4.2.6 and below, 4.0 all versions, 3.2 all versions and FortiIsolator version 2.4 and below, 2.3 all versions, 2.2 all versions, 2.1 all versions, 2.0 all versions, 1.2 all versions may allow a remote attacker in possession of an admin session cookie to keep using that admin's session even after the admin user was deleted.
Weakness: CWE-613
Which versions are affected by CVE-2024-27779?
It affects 2 products.
Products include Fortinet Fortiisolator, Fortinet Fortisandbox.
How do I fix CVE-2024-27779?
No fix has been published for CVE-2024-27779 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-2024-27779 being exploited?
There is no known exploitation of CVE-2024-27779 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Fortisandbox
Sources
Also known as GHSA-m8h2-gg48-m54f.