CVE-2021-24014 Cross-site scripting in Fortinet FortiSandbox

Medium 5.4 Published Updated

Unauthenticated attackers can execute arbitrary scripts in victim browsers via crafted request parameters in FortiSandbox, potentially leading to session hijacking or malicious actions.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-24014?

CVE-2021-24014 is a medium-severity cross-site scripting vulnerability in Fortinet Fortisandbox, published on 4 Aug 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Multiple instances of improper neutralization of input during web page generation vulnerabilities in FortiSandbox before 4.0.0 may allow an unauthenticated attacker to perform an XSS attack via specifically crafted request parameters.

Weakness: CWE-79

Which versions are affected by CVE-2021-24014?

It affects 1 product.

Products include Fortinet Fortisandbox.

How do I fix CVE-2021-24014?

No fix has been published for CVE-2021-24014 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-24014 being exploited?

There is no known exploitation of CVE-2021-24014 in the wild and no public exploit code.

All Fortinet Fortisandbox vulnerabilities

Sources

Also known as GHSA-grhw-h243-368j.

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