Citrix Virtual Apps and Desktops (XenApp & XenDesktop)


Vendor Data Vendor Patch Exists Vendor Investigating
Community Data Vulnerable

Vendor Resources

Resource Link
Citrix Statement https://support.citrix.com/article/CTX335705

Community Resources

Resource Link
source https://support.citrix.com/article/CTX335705

Community Notes

Source Note
NCSC-NL CVE-2021-4104: Not vuln ; CVE-2021-44228: Fix ; CVE-2021-45046: Investigation
NCSC-NL Impacted – Linux VDA (non-LTSR versions only), Not vulnerable: App Layering, Delivery Controller, Director, FAS, HDX, Profile Management, PVS, Session Recording, Storefront, Studio, Windows VDA, WEM
CISAGov IMPACTED: Linux VDA (non-LTSR versions only)- CVE-2021-44228 and CVE-2021-45046: Customers are advised to apply the latest update as soon as possible to reduce the risk of exploitation. Linux Virtual Delivery Agent 2112. See the Citrix Statement for additional mitigations. For CVE-2021-45105: Investigation has shown that Linux VDA is not impacted. Nonetheless, the Linux VDA 2112 has been updated (21.12.0.30, released December 20th) to contain Apache log4j version 2.17.0. NOT IMPACTED: Linux VDA LTSR all versions; All other CVAD components.
CISAGov Last Update: 12/21/2021

Sources

Date Attribution Description
2021-12-27 15:29:04 NCSC-NL Updated vendorInvestigating. Updated vendorPatchExists. Updated community note. Updated community link source. Updated community note.
2021-12-30 21:31:50 CISAGov Updated communityVulnerable. Updated vendor link Citrix Statement. Updated community note. Updated community note.