CVE-2021-40344 File upload in n/a

High 7.2 Published Updated

Administrators can upload malicious PHP scripts via the Custom Includes section, leading to remote command execution.

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-2021-40344?

CVE-2021-40344 is a high-severity vulnerability in Nagios Nagios Xi, published on 26 Oct 2021. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

An issue was discovered in Nagios XI 5.8.5. In the Custom Includes section of the Admin panel, an administrator can upload files with arbitrary extensions as long as the MIME type corresponds to an image. Therefore it is possible to upload a crafted PHP script to achieve remote command execution.

Weakness: CWE-434

Which versions are affected by CVE-2021-40344?

It affects 1 product.

Products include Nagios Nagios Xi.

How do I fix CVE-2021-40344?

No fix has been published for CVE-2021-40344 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-40344 being exploited?

There is no known exploitation of CVE-2021-40344 in the wild and no public exploit code.

All Nagios Nagios Xi vulnerabilities

Sources

Also known as GHSA-r8gx-p4rw-3vpj.

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