CVE Series: Apache Spark (CVE-2022-33891)


Apache Spark is the biggest open-source project used for large-scale data processing and machine learning. Companies love it for its fast speed and ease of use. But a security flaw allows an adversary to just add a shell command to the URI to perform an arbitrary shell command execution. Exploit this flaw today using two attack vectors!

55 minutes
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Course Content
CVE Background and Identification
CVE Exploitation, Detection, and Mitigation
Course Description

Who should take this course?

This course is for seasoned red teamers, penetration testers, security and vulnerability assessment analysts, and system administrators who want to know how to exploit and protect against the latest vulnerabilities impacting enterprise systems.

What are the prerequisites for this course?

Before taking this course, we recommend that you have a functional knowledge of web applications, Python scripting, and basic Unix commands. We also recommend taking our OWASP Top 10 course on Injection:

Why take this course?

What makes this vulnerability so dangerous is that an adversary can simply add a shell command to the URI and perform arbitrary shell command execution as a different user who appears "friendly." It is imperative that defenders act quickly to patch their servers and determine if any malicious actors exploited this vulnerability.

By the end of this course, you should be able to:

  • Define the vulnerability, describe its root cause, and communicate its significance to key organizational stakeholders.
  • Exploit this vulnerability using publicly available exploit code.
  • Execute various mitigation tactics to reduce risk.

Your instructor, Clint Kehr, is a technical manager for a financial services company’s Responsible Disclosure Team, where he interacts with ethical hackers who find vulnerabilities in the company’s infrastructure. Clint is a former Special Agent with the Department of Justice, where he specialized in internet investigations and conducted numerous cases on cyber threat actors on the surface, deep, and dark web, resulting in Clint earning the Attorney General’s Distinguished Service Award.

Instructed By
Clint Kehr

Clint Kehr

Ethical Hacker

Senior Instructor
Certificate of Completion
Certificate Of Completion

Complete this entire course to earn a CVE Series: Apache Spark (CVE-2022-33891) Certificate of Completion