CVE-2020-8283 — Improper Privilege Management in Citrix Xenapp

CWE-269 — Improper Privilege ManagementCWE-78 — OS Command Injection5 documents4 sources
Severity
8.8HIGHNVD
EPSS
0.4%
top 41.21%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Citrix XenappCitrix XendesktopCitrix Virtual Apps AND Desktops+3 more
Timeline
PublishedDec 14
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages8 packages

▶NVDcitrix/xenapp7.7 — 7.15+3
▶NVDcitrix/xendesktop7.7 — 7.15+3
▶citrixcitrix/xenapp

🔴Vulnerability Details

2
GHSA
GHSA-9x7w-7fh3-wph9: An authorised user on a Windows host running Citrix Universal Print Server can perform arbitrary command execution as SYSTEM in CVAD versions before 2↗2022-05-24
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VulnCheck
Citrix virtual_apps_and_desktops Improper Privilege Management↗2020
▶

📋Vendor Advisories

2
Citrix
CVE-2020-8283: An authorised user on a Windows host running Citrix Universal Print Server can perform arbitrary command execution as SYSTEM in CVAD versions before 2↗2020-12-14
▶
Citrix
Citrix Virtual Apps and Desktops Security Update↗2020-11-25
▶