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Zenario CMS File Upload (CVE-2021-42171)
cve-2021 | Level: Easy | Total Lab Runs: 0 | Premium Lab |
What is Zenario CMS?
Zenario CMS is an open-source web-based content management system (CMS) for sites with one or many languages.
What is CVE-2021-42171?
Zenario CMS 9.0.54156 is vulnerable to File Upload. The web server can be compromised by uploading and executing a web shell that can run commands, browse system files, browse local resources, attack other servers, exploit local vulnerabilities, and so forth.
In this lab environment, the user is going to get access to a Kali GUI instance. A Zenario CMS instance vulnerable to remote code execution, identified by CVE-2021-42171, is running on the target server. It can be accessed using the tools installed on Kali at http://demo.ine.local.
Objective: Exploit the remote code execution vulnerability in Zenario CMS 9.0.54156 to gain shell access on the target server and retrieve the flag.
The following credentials might be useful:
Note: After starting the lab, please allow a few seconds for the Zenario CMS service to load before accessing the URL.
This lab is dedicated to you! No other users are on this network :)
Once you start the lab, you will have access to a root terminal of a Kali instance
Your Kali has an interface with IP address 192.X.Y.2. Run "ip addr" to know the values of X and Y.
The target application should be accessible at http://demo.ine.local.
Do not attack the gateway located at IP address 192.X.Y.1
The following activities are strictly prohibited on this website unless otherwise explicitly stated as allowed in the mission statement:
- Using automated scanners
- Using brute force attacks
- Denial of Service attacks
- Attacking other student machines in challenges where you might achieve a shell on the vulnerable system
- Attacking the lab infrastructure
Users violating the above will be either temporarily or permanently banned from the website.
If you are unsure about an activity, then please contact support to confirm that it is allowed on our website.
Technical Support for this Lab:
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