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exploiting-zerologon-vulnerability-cve-2020-1472

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Exploits the Zerologon vulnerability (CVE-2020-1472) in the Netlogon Remote Protocol using Impacket to reset a domain controller's machine account password to empty, then runs DCSync via secretsdump.py to dump domain credentials. Use when red-teaming or validating unpatched Active Directory domain controllers for Zerologon, including restoring the machine account password afterward.

skills/exploiting-zerologon-vulnerability-cve-2020-1472/SKILL.md

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Network or broad shell
Last checked
Nov 9, 2026

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Repository last updated
Aug 31, 2026
License
Apache-2.0

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# Exploiting Zerologon Vulnerability (CVE-2020-1472)

## Overview

Zerologon (CVE-2020-1472) is a critical elevation of privilege vulnerability (CVSS 10.0) in the Microsoft Netlogon Remote Protocol (MS-NRPC). The flaw exists in the cryptographic implementation of AES-CFB8 mode, where the initialization vector (IV) is incorrectly set to all zeros. This allows an unauthenticated attacker with network access to a domain controller to establish a Netlogon session and reset the DC machine account password to empty, achieving full domain compromise. Microsoft patched this vulnerability in August 2020 (KB4571694).


## When to Use

- When performing authorized security testing that involves exploiting zerologon vulnerability cve 2020 1472
- When analyzing malware samples or attack artifacts in a controlled environment
- When conducting red team exercises or penetration testing engagements
- When building detection capabilities based on offensive technique understanding
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