CERT/CC Releases Information on Critical Vulnerability in Microsoft Windows Netlogon Remote Protocol

Original release date: September 17, 2020

The CERT Coordination Center (CERT/CC) has released information on CVE-2020-1472, a vulnerability affecting Microsoft Windows Netlogon Remote Protocol. An unauthenticated attacker could exploit this vulnerability to obtain Active Directory domain administrator access. Although Microsoft provided patches for CVE-2020-1472 in August 2020, unpatched systems will be an attractive target for malicious actors.

The Cybersecurity and Infrastructure Security Agency (CISA), encourages users and administrators to review the following resources and apply the necessary updates and workaround.

• CERT/CC Vulnerability Note VU#490028
• Microsoft’s Security Advisory for CVE-2020-1472
• Microsoft’s guidance on How to manage the changes in Netlogon secure channel connections associated with CVE-2020-1472

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