Samba team has released a security patch to address the Zerologon issue in the Microsoft Windows Netlogon Remote Protocol (MS-NRPC) The vulnerability (CVE-2020-1472) is an elevation of privilege vulnerability. Samba is also vulnerable to the NetLogon flaw only when used as domain controller, according to the advisory Active Directory DC installations are the most affected. An attacker could exploit the vulnerability to impersonate any computer, including the domain controller itself, and execute remote procedure calls on their behalf.”]
Source: https://securityaffairs.co/wordpress/108659/security/samba-addresses-zerologon-vulnerability.html