---
title: "Discussion on \"What Log4Shell taught us about open-source supply-chain security\" | Hashnode"
description: "Discussion on \"What Log4Shell taught us about open-source supply-chain security\". On 9 December 2021, a security researcher publicly disclosed a critical remote code execution vulnerability in Apache Log4j 2, a Java logging library used by hundreds of millions of systems worldwide."
url: "https://hashnode.com/posts/log4shell-cve-2021-44228-supply-chain-security-lessons/6ac5cda2d82f2775defc020c"
---

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# [What Log4Shell taught us about open-source supply-chain security](https://depwarden.hashnode.dev/log4shell-cve-2021-44228-supply-chain-security-lessons?utm_source=hashnode&utm_medium=feed)

On 9 December 2021, a security researcher publicly disclosed a critical remote code execution vulnerability in Apache Log4j 2, a Java logging library used by hundreds of millions of systems worldwide.

Oct 7 · 4 min read · depwarden.hashnode.dev  
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## Written by

[Rushabh Shah](https://hashnode.com/@rushabh5000)

@rushabh5000 · Mumbai, India

  
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