Alert MDI netlogon

Copper Contributor

hello I had an alert from MDI"Suspected Netlogon privilege elevation attempt (CVE-2020-1472 exploitation) on multiple endpoints but the problem is between the domain controllers (from DC1 to the other DC and RODC) I want to know what is the cause despite the fact that the CVE 2020 is already installed

3 Replies

Hey @chaouki_Hmidi 

 

Are there any further more details that you can provide based on this?

An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller,
To protect your environment and prevent outages, you must do the following:
Note Step 1 of installing updates released August 11, 2020 or later will address security issue in CVE-2020-1472 for Active Directory domains and trusts, as well as Windows devices. To fully mitigate the security issue for third-party devices, you will need to complete all the steps.
Warning Starting February 2021, enforcement mode will be enabled on all Windows Domain Controllers and will block vulnerable connections from non-compliant devices. At that time, you will not be able to disable enforcement mode.
UPDATE your Domain Controllers with an update released August 11, 2020 or later.
FIND which devices are making vulnerable connections by monitoring event logs.
ADDRESS non-compliant devices making vulnerable connections.
ENABLE enforcement mode to address CVE-2020-1472 in your environment.
yup good writing