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8.8

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 CTX28...

CVE-2020-8283 · published 5 years ago
Summary

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.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
citrix virtual_apps_and_desktops <= 2006
>= 1903, <= 1912
cpe:2.3:a:citrix:virtual_apps_and_desktops:*:*:*:*:-:*:*:*
citrix xenapp < 7.6
>= 7.7, < 7.15
7.6
7.15
cpe:2.3:a:citrix:xenapp:*:*:*:*:ltsr:*:*:*
citrix xendesktop < 7.6
>= 7.7, < 7.15
7.6
7.15
cpe:2.3:a:citrix:xendesktop:*:*:*:*:ltsr:*:*:*
Original advisory text
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 CTX28...
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.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
8.8 High
Exploitation
3% chance of attack within 30 days
Type
CWE-269Improper Privilege Management
Timeline
Published14 Dec 2020
Updated30 Oct 2026
First seen29 Sep 2026
Sources
CVE-2020-8283 · NVD
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