CVE-2021-23261 Overriding the system configuration file causes a denial of service

Medium 4.5 Published Updated

Authenticated administrators can override the system configuration file to cause a denial of service in Crafter CMS.

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

What is CVE-2021-23261?

CVE-2021-23261 is a medium-severity denial of service vulnerability in Crafter CMS, published on 2 Dec 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

Authenticated administrators may override the system configuration file and cause a denial of service.

Weakness: CWE-703

Which versions are affected by CVE-2021-23261?

It affects 1 product.

Products include Craftercms Crafter Cms.

How do I fix CVE-2021-23261?

No fix has been published for CVE-2021-23261 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-23261 being exploited?

There is no known exploitation of CVE-2021-23261 in the wild and no public exploit code.

Sources

Also known as GHSA-xw2f-f9v2-gh6f.

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