CVE-2020-8270

Name: CVE-2020-8270
Creator: NVD / NIST
Published: 2020-11-16T01:15:13.687+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 3.34%

Last modified Jun 17, 2026

CVE-2020-8270 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An unprivileged Windows user on the VDA or an SMB user can perform arbitrary command execution as SYSTEM in CVAD versions before 2009, 1912 LTSR CU1 hotfixes CTX285871 and CTX285872, 7.15 LTSR CU6 hotfix CTX285341 and CTX285342. EPSS estimates a 3.34% chance of exploitation in the next 30 days.

Description

An unprivileged Windows user on the VDA or an SMB user can perform arbitrary command execution as SYSTEM in CVAD versions before 2009, 1912 LTSR CU1 hotfixes CTX285871 and CTX285872, 7.15 LTSR CU6 hotfix CTX285341 and CTX285342

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.34%

87.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Citrix	Virtual Apps And Desktops	<= 2006
Citrix	Virtual Apps And Desktops	>= 1903, <= 1912

References

https://support.citrix.com/article/CTX285059Patch, Vendor Advisory
https://support.citrix.com/article/CTX285059Patch, Vendor Advisory

Timeline

Published: Nov 16, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8270?

How severe is CVE-2020-8270?

CVE-2020-8270 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.34% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8270?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8270?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST