An unprivileged Windows user on the VDA can perform arbitrary command execution as SYSTEM in CVAD versions before 2009, 1912 LTSR CU1 hotfi…

published 2020-11-16 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-29137

cvss: 8.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.7%; EPSS 2.7% chance of exploitation in 30 days, percentile 85%
public exploits: 0; none known

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

Patch / fix

fixed in 2 links 1

citrix xenapp 7.6, 7.15
citrix xendesktop 7.6, 7.15

support.citrix.com/article/CTX285059 advisory

Exploit prediction

2.68% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	9.0	AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

n/a Citrix Virtual Apps and Desktops

Classification

Weakness

CWE-269 Improper Privilege Management

Technology feeds

Citrix rss critical rss

References

support.citrix.com /article/CTX285059
patch, vendor-advisory

Sources

CVE List CVE-2020-8269
NVD CVE-2020-8269

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary