---
title: "Discussion on \"Pwnkit: CVE-2021-4034 (TryHackMe)\" | Hashnode"
description: "Discussion on \"Pwnkit: CVE-2021-4034 (TryHackMe)\". CVE-2021-4034 — aka Pwnkit — is a high-severity local privilege escalation in the Polkit package that was present in Polkit releases dating back to 2009. Because Polkit is installed by default on most mainstream Linux distributions, this vulnerabilit..."
url: "https://hashnode.com/posts/pwnkit-cve-2021-4034-tryhackme/690f98b23d01e03f1dc1ed82"
---

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Discussion

# [Pwnkit: CVE-2021-4034 (TryHackMe)](https://www.sharonjebitok.com/pwnkit-cve-2021-4034-tryhackme?utm_source=hashnode&utm_medium=feed)

CVE-2021-4034 — aka Pwnkit — is a high-severity local privilege escalation in the Polkit package that was present in Polkit releases dating back to 2009. Because Polkit is installed by default on most mainstream Linux distributions, this vulnerabilit...

Nov 8, 2025 · 9 min read · sharonjebitok.com  
Updated Feb 17  
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-   [#tryhackme-walkthrough](https://hashnode.com/tag/tryhackme-walkthrough)
-   [#ctf-writeup](https://hashnode.com/tag/ctf-writeup)
-   [#exploitation](https://hashnode.com/tag/exploitation)
-   [#pkexec](https://hashnode.com/tag/pkexec)

## Written by

[Jebitok](https://hashnode.com/@w1t3r)

@w1t3r · Kenya

  
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Software Developer \* Cyber security Research \* Open for roles

Software Developer | Learning Cybersecurity | Open for roles \* If you're in the early stages of your career in software development (student or still looking for an entry-level role) and in need of mentorship, you can reach out to me.

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