Is CVE-2020-8283 being actively exploited?

CVE-2020-8283 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2020-8283?

CVE-2020-8283 has a CVSS 3.1 base score of 8.8 (HIGH).

CVE-2020-8283

HIGH · CVSS 8.8EPSS 2.7%EU EUVD

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.

Key facts

CVSS score: 8.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-269
EPSS score: 2.7% (86th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2020-29151)
Published: December 14, 2020
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2020-29151 in the EU Vulnerability Database. Last updated in EUVD on August 4, 2024.

View on the EU Vulnerability Database

Affected products

citrix / virtual apps and desktops
citrix / virtual apps and desktops
citrix / xenapp
citrix / xenapp
citrix / xenapp
citrix / xenapp
citrix / xenapp
citrix / xendesktop
citrix / xendesktop
citrix / xendesktop
citrix / xendesktop
citrix / xendesktop

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Citrix XenDesktop 7.15 LTSR Platinum Edition and Citrix XenApp 7.15 LTSR Platinum Edition - Citrix Systems, Inc. - Common Criteria 383-4-433 - archived

References

https://support.citrix.com/article/CTX285059(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain