CVE-2020-8283
High
Description
An authorised user on a Windows host running Citrix Universal Print Server 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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Citrix Virtual Apps And Desktops
PublishedDec 14, 2020
First seenDec 14, 2020
Weakness typeCWE-269Improper privilege management
How to fix
Update
- citrix xenapp7.6, 7.15 or later
- citrix xendesktop7.6, 7.15 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| citrix virtual_apps_and_desktops | v ≤ 2006, 1903 ≤ v ≤ 1912 | — |
| citrix xenapp | v < 7.6, 7.7 ≤ v < 7.15, 7.6, 7.15 | 7.6, 7.15 |
| citrix xendesktop | v < 7.6, 7.7 ≤ v < 7.15, 7.6, 7.15 | 7.6, 7.15 |
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