CVE-2024-33507 Auth bypass in FortiIsolator
Remote attackers can deauthenticate admins or escalate privileges to write access via crafted cookies in FortiIsolator.
- 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-2024-33507?
CVE-2024-33507 is a high-severity authentication bypass vulnerability in Fortinet FortiIsolator, published on 14 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An insufficient session expiration vulnerability [CWE-613] and an incorrect authorization vulnerability [CWE-863] in FortiIsolator 2.4.0 through 2.4.4, 2.3 all versions, 2.2.0, 2.1 all versions, 2.0 all versions authentication mechanism may allow remote unauthenticated attacker to deauthenticate logged in admins via crafted cookie and remote authenticated read-only attacker to gain write privilege via crafted cookie.
Weakness: CWE-613
Which versions are affected by CVE-2024-33507?
It affects 1 product.
Products include Fortinet Fortiisolator.
How do I fix CVE-2024-33507?
No fix has been published for CVE-2024-33507 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-2024-33507 being exploited?
There is no known exploitation of CVE-2024-33507 in the wild and no public exploit code.
Other vulnerabilities in Fortinet FortiIsolator
Sources
Also known as GHSA-q59r-m5g9-6m54.