About three weeks I detected an attacker exploiting Zerologon on my personal honeypot:

There is more activity today, which shows proof of attackers using Zerologon for remote code execution on random internet endpoints.

At 11:01UTC, IP address arrived in BluePot and tried exploiting Zerologon.

Azure Sentinel tipped me off:

When CVE-2020–10713 goes wrong.


A few days ago, the internet received news that billions of devices are impacted by BootHole, a vulnerability that theoretically could allow an attacker with existing authenticated administrative access to a device to tamper with SecureBoot.

It’s absolutely valid research, although a fairly low priority vulnerability for many threat models.

Kevin Beaumont

Everything here is my personal work and opinions.

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