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No exploitation reportedFix available

CVE-2020-8270

No exploitation reported by the sources we read.

  • Published2020-11-16
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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

Timeline

dates in UTC
  1. 2020-11-1601:15CVE publishedNVD

Versions per branch

NVD
Citrix virtual apps and desktops
BranchAffectedFixed in
2006.x≤ 2006no fix published
1912.x≥ 1903, ≤ 1912no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.18.8read 2026-10-23
  • NVDCVSS 2.09read 2026-10-23
  • CNAweakness (CWE)CWE-78known since 2026-10-23
  • NVDweakness (CWE)CWE-78read 2026-10-23
  • FIRST EPSSEPSS score3.5 %2026-11-08
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2020-11-16
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-5rfq-7599-rxw9

Frequently asked questions

What is CVE-2020-8270?

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

Is CVE-2020-8270 actively exploited?

Active exploitation of CVE-2020-8270 has not been confirmed. Its EPSS score was 3.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-8270?

CVE-2020-8270 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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