CVE-2021-22928

Summary: CVE-2021-22928 is a local privilege-escalation vulnerability in Citrix Virtual Apps and Desktops (VDA) when Citrix Profile Management or the Citrix Profile Management WMI Plugin is installed. The root cause is related to improper access control allowing a user on a Windows VDA to elevate...

CVE-2021-22928: Undefined Security Weakness

A vulnerability has been identified in Citrix Virtual Apps and Desktops that could, if exploited, allow a user of a Windows VDA that has either Citrix Profile Management or Citrix Profile Management WMI Plugin installed to escalate their privilege level on that Windows VDA to SYSTEM...

Citrix Systems Citrix Virtual Apps and Desktops 安全漏洞

Citrix Virtual Apps and Desktops is a virtualization software from Citrix Systems USA that provides virtual desktops and virtual applications for any operating system. A security vulnerability exists in Citrix Virtual Apps and Desktops. The vulnerability allows users of a Windows VDA with the...

Citrix Virtual Apps and Desktops Security Update

A vulnerability has been identified in Citrix Virtual Apps and Desktops that could, if exploited, allow a user of a Windows VDA that has either Citrix Profile Management or Citrix Profile Management WMI Plugin installed to escalate their privilege level on that Windows VDA to SYSTEM. This...

Citrix Cloud : VDAs session count increases and the Load index does not show the right value

Events on Server VDA: Event ID : 1039 Source : Citrix Desktop Service Error Details : The Citrix Desktop Service failed to initialize a performance counter. Load management associated with this counter will be disabled...

Citrix Receiver HDX Engine has stoped working after upgrading from Citrix Receiver 4.3.100 to 4.9 only for Linux VDA

This article is intended for Citrix administrators and technical teams only. Non-admin users must contact their company’s Help Desk/IT support team and can refer to CTX297149 for more information. On a Ubuntu 16.0.4 Linux VDA 7.15, when open opening a Desktop, we receive the error message "Citrix...

Unable to unistall VDA software, error - ‘Supportability tools fail with internal error code 1719, failing action was “WixQueryOSInfo”

-When the customer tries toremove the VDA from Programs and Features and get error ‘Supportability tools fail with internal error code 1719, failing action was “WixQueryOSInfo”’ and referred to the CTX about troubleshooting MSI installation issues,https://support.citrix.com/article/CTX226932 -If...

Receiver upgrade on VDA to Citrix Workspace App will cause Grey Output from Webcam

In this scenario, the VDA 7.15 CU3 comes with Receiver 4.12 in the original installation. However, due to a security concern, the Receiver needed to be updated to Citrix Workspace 1912. After the update, when using the webcam, the camera is detected, but instead of the image, only a grey field is...

Receiver didn't send out ICA connection request to the VDA after getting Launch.ica file. Got error "Unknow client error 1110" after 3 or more minutes.

When try to launch desktop, we find ICA file can be downloaded successfully, but CD Viewer doesn't pop up or sometimes CD Viewer can pop up 3 minutes later but show unknown client error 1110 immediately. The only solution is to reset the user profile in the client. The issue is related to specifi...

Citrix Virtual Apps and Desktops Security Update

Description of Problem Vulnerabilities havebeen identified in CitrixVirtual Apps and Desktopsthat could, if exploited,result in: An authenticateduserof amulti-sessionWindowsVDA, who has been granted permission to write to c:\ root directory, being able toescalatetheir privilege levelon that...

Command injection

An unprivileged Windows user on the VDA can perform arbitrary command execution as SYSTEM in CVAD versions before 2009, 1912 LTSR CU1 hotfixes CTX285870 and CTX286120, 7.15 LTSR CU6 hotfix CTX285344 and 7.6 LTSR CU9...

CVE-2020-8270

An unprivileged Windows user on a Virtual Delivery Agent (VDA) with Citrix App-V Service installed, or an SMB user connected to such a VDA, can perform arbitrary command execution as SYSTEM . The root cause is CWE-78: Improper Neutralization of Special Elements used in an OS Command (OS Command I...

CVE-2020-8269

CVE-2020-8269 is a high-severity vulnerability in Citrix Virtual Apps and Desktops (CVAD) where an authenticated user on a multi-session Windows VDA can achieve arbitrary command execution as SYSTEM . The root cause is improper privilege management (CWE-269), specifically allowing an attacker wit...

CVE-2020-8269: Improper Privilege Management

An unprivileged Windows user on the VDA can perform arbitrary command execution as SYSTEM in CVAD versions before 2009, 1912 LTSR CU1 hotfixes CTX285870 and CTX286120, 7.15 LTSR CU6 hotfix CTX285344 and 7.6 LTSR CU9...

Citrix VDA Cleanup Utility Tool

Note: Please note: You can download the required file from the Citrix downloads website by visiting the following link:https://www.citrix.com/downloads/citrix-tools All references to VDA in this article are to the Windows version of VDA. Citrix recommends that you use the built-in uninstaller to...

Citrix Health Assistant - Troubleshoot VDA Registration and Session Launch

Citrix Virtual Apps and Desktops, formerly XenDesktop, fits the enterprise need to bring both VDI and apps into a user-centric experience. Citrix Virtual Apps, formerly XenApp, fits the enterprise need to bring legacy apps into a cloud management environment. Citrix Health Assistantv1.8.3.71...

Citrix Quick Launch Tool - Testing Application and Desktop Launch

Please note: You can download the required file from the Citrix downloads website by visiting the following link: https://www.citrix.com/downloads/citrix-tools Citrix QuickLaunch Tool v4.2 Created Date: 12/20/2016 Modified Date: 12/30/2020 Description Citrix QuickLaunch has been written to offer...

CVE-2016-6276 - Vulnerability in Citrix Linux VDA (formerly known as Linux Virtual Desktop) Could Result in Privilege Escalation

Description of Problem A vulnerability has been identified in the Linux Virtual Delivery Agent VDA component of Citrix XenDesktop that could allow a local user to execute commands as root on the Linux VDA. The vulnerability affects all versions of the Citrix Linux VDA earlier than version 1.4.0...

How to collect data for ADC Gateway, Storefront, and VDA issues

To provide a comprehensive guide on how to properly collect data for issues with ADC when these issues are related to Gateway, Storefront, or VDA connectivity issues...

Citrix workspace app | Uninstallation of CWA breaks ICA session

If we have VDAs with this order of installation CWA installed first and then the VDA. Now when wetryto uninstall or upgrade the CWA, some display drivers from thevda get removed, as a result the ICA session breaks and the only way to get it working again is to - reinstall the VDA reboot,...