EUVD-2001-1088

Malware in sbrugna...

EUVD-2001-1089

Malware in sbrugna...

EUVD-2004-0046

Malware in sbrugna...

XenServer and Citrix Hypervisor Security Update for CVE-2025-27462, CVE-2025-27463, CVE-2025-27464

Description of Problem Issues have been identified in the XenServer VM Tools for Windows that allow an attacker who has the ability to execute arbitrary unprivileged code within a guest Windows VM to compromise that same VM. This issue affects Windows VMs running on either XenServer 8.4 and Citri...

Citrix PVS Console and Server Not Visible to Other Admins After Installed via CLI

After installing the Citrix Provisioning Services PVS Console and server version 2402 CU2 on a Windows Server 2019 machine using command line, the application is only visible to the user who performed the installation. Other administrators logging into the same server do not see the Citrix PVS...

Citrix Provisioning - Configuration Wizard fails after upgrade to 2503

PVS Configuration Wizard fails with errors after PVS upgrade to version 2503. ConfigWizard.log located in C:\ProgramData\Citrix\Provisioning Services\Log on the PVS Server shows: ERROR:SqlException caught, Number = 207, Message = Invalid column name 'isXsProxyConfigRequired'. Updating server...

PVS boot fails for Server 2025 based PVS vdisks running on Azure and Hyperv after windows update

When applying windows updates to a PVS vdisk with Server 2025 which is running on Azure or Hyper-V, after rebooting to finish installing windows updates, PVS boot fails. Issue when applying windows updates to a PVS Streamed server 2025 vdisk: 1. The vdisk is booted in read/write mode 2. Windows...

How to create a PVS master target device on Hyper-V for Windows 11

The objective here is to creating a PVS master target device VM on Hyper-V, which can be used for both installing Windows 11 and also booting via PVS. Windows 11 has installation requirements which need both Secure boot and TPM available. Hyper-V VM options which are relevant here: Secure boot...

PVS configuration wizard error - Unable to communicate with license server

When upgrading the PVS farm to PVS 2402, PVS configuration wizard could not progress further if "Validate license server communication" was checked, displaying an error "Unable to communicate with the license server, or the license server version is not compatible with this version of Citrix...

CVE-2025-1047

Luxion KeyShot PVS File Parsing Access of Uninitialized Pointer Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Luxion KeyShot. User interaction is required to exploit this vulnerability in that the target must...

CVE-2025-1047

Luxion KeyShot is affected by CVE-2025-1047 through a vulnerability in PVS file parsing caused by an uninitialized pointer. The issue enables Remote Code Execution in the context of the current process and requires user interaction (target visits a malicious page or opens a malicious file). The v...

PVS BIOS based target devices are slow to boot

PVS BIOS based target devices were slow to boot, with following observations: BIOS based target devices often taking tens of minutes to boot successfully, occasionally target devices may fail to boot. The network conditions in standard production network were non optimal for PVS boot performance...

Luxion KeyShot PVS File Parsing Access of Uninitialized Pointer Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Luxion KeyShot. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of pvs...

PVS Server: Windows Event logging for UEFI target Devices Boot Time inaccurate

The customer had built a new UEFI based vdisk and deployed it to production. The customer subsequently observed that the PVS Servers were recording a clearly inaccurate boot time, of millions of minutes, in Windows Event logs when target devices were booting. Example inaccurate boot time logged i...

PVS UEFI targets fail to boot when downloading TFTP bootstrap

The customer was migrating from PVS BIOS based target devices to PVS UEFI based target devices. BIOS based target devices were deprecated in PVS 2203, and all customers should be migrating to UEFI based target devices. The customer was using VMware based target devices, and was reconfiguring targ...

PVS Configuration Wizard Error: Insufficient Privileges

When creating a new PVS farm by running configuration wizard, and selecting option to register the PVS server with a CVAD farm, configuration wizard returns an error: The current user needs to be a Machine catalog Administrator or higher on the Citrix Virtual Desktops Controller at "servername"...

PVS Server SOAP service communication fails from remote PVS console

When setting up new Windows Server 2025 virtual machines on VMware to create two new PVS servers, the following issues occur: After installing PVS software and running configuration wizard successfully on the first PVS server, the PVS farm access using this PVS server was only possible using the...

Citrix Infrastructure Monitoring- issue with adding new PVS/SF servers for monitoring from Cloud UI

When Admin tries to add/register new PVS or Storefront Servers for monitoring, the eror message appears:Incorrect token. Ensure you copy and paste the token correctly. The token is valid. Network trace shows 500 response code when the request is send to...

PVS Citrix Virtual Desktops Setup Wizard fails to create every other machine

When using PVS Citrix Virtual Desktops Setup Wizard, it creates machines however every other machine fails to be created. This typically means either all even numbers machines or odd numbers machines fails to be created depending on what number you start with...

Subnet mask missing in Windows once PVS target is booted via BDM

When booting a PVS target using a BDM with static IP and having DHCP enabled in the vdisk, Windows may be missing its subnet mask...