CVE-2020-1938 Apache Tomcat: Emulation and Detection

Libraries: If you want this lab, consider one of these libraries.
Security

CVE-2020-1938 Apache Tomcat: Emulation and Detection

In this lab, you’ll practice vulnerability management by researching, assessing, testing, and mitigating an emerging threat. When you’re finished, you’ll have a system that will be protected against CVE-2020-1938 and you’ll be able to interrogate logs for previous compromises.

Get started Contact sales

Lab Info

Level

Advanced

Last updated

Sep 27, 2025

Duration

3h 15m

Challenge

Emulate

You'll use Nmap to check if you’re running an affected version of Apache Tomcat and if the default Apache JServ Protocol port is exposed. Then you'll examine and run the Python test script included in the lab to determine if your system is exploitable by trying to access the web.xml file.
Challenge

Detect

You'll now work to identify if you have previously been compromised by interrogating web server logs.
Challenge

Protect

Patching the Tomcat server isn't always an option so you'll now explore some other ways to mitigate the vulnerability.
Challenge

The Last Challenge

Welcome to the final challenge! This is your last chance to experiment in the environment. Clicking Finish Lab will end this little world that flittered into existence just for you.

About the author

Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

Real skill practice before real-world application

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

Learn by doing

Engage hands-on with the tools and technologies you’re learning. You pick the skill, we provide the credentials and environment.

Follow your guide

All labs have detailed instructions and objectives, guiding you through the learning process and ensuring you understand every step.

Turn time into mastery

On average, you retain 75% more of your learning if you take time to practice. Hands-on labs set you up for success to make those skills stick.