Log4Shell Zero-day Exploit Walkthrough

Demonstrating RCE in Popular Java Library, Log4j

Alex Rodriguez
Geek Culture
Published in
5 min readDec 11, 2021

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Hello, World! If you’ve been paying attention to very recent cyber news, you might’ve seen the big headlines about the millions of applications that are vulnerable to a remote code execution zero-day via the popular Java logging library, Log4j. The affected versions are Apache Log4j 2.0–2.14.1 and the CVE is tracked…

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Alex Rodriguez
Geek Culture

I am an Offensive Security Engineer @ Amazon who writes about cybersecurity and anything related to technology. Opinions are my own.