CVE-2021-36956: Azure Sphere Information Disclosure Vulnerability

What version of Azure Sphere has the update that protects from this vulnerability?

All versions of Azure Sphere that are 21.08 and higher are protected from this vulnerability.

How do I ensure my Azure Sphere device has the update?

If your device is new or has not been connected to the internet for a while, connect the device to a secure, private local network with internet access and allow the device to automatically update itself. If the device is already online, verify that the operating system version 21.08 has been installed using the Azure Sphere CLI command:

azsphere device show-os-version

If the device is connected to the internet and does not yet have the latest update, check the update status with the following Azure Sphere CLI command:

azsphere device show-deployment-status

Azure Sphere is running on IoT devices in my environment. How do I know if any of those devices are affected by this vulnerability?

An IoT device that is running Azure Sphere and is connected to a network is automatically updated every day. This vulnerability has already been addressed so the devices are protected from this vulnerability. More information on Azure Sphere’s CVE principles can be found on https://docs.microsoft.com/en-us/azure-sphere/deployment/azure-sphere-cves