Citrix XenApp Essentials is the fastest and easiest way to securely deliver Windows apps from Microsoft Azure to any device. This unique application virtualization service combines industry-leading XenApp technology with the power and flexibility of Microsoft Azure to provide a simple, prescriptive, and easy-to-consume app delivery solution. Citrix and Microsoft deliver an integrated experience that simplifies onboarding for XenApp Essentials and Azure IaaS, providing a single interface to design, deploy and deliver virtualized Windows apps from Azure.
Disclamer: This blogpost is made to help you understanding CVE-2023-3519 and how you can check if you are vulnerable and community guidelines how to fix your environment. This blogpost is not covering the details of the exploits out here as I have no interest in sharing what the red team is doing. All responsibility is your own. I highly recommend you read the blogpost and take action immediately, don’t hesitate. (Last updated 4th October 2023)