CVE-2020-8283

highpriority · track · 36EPSS 0.027 · 86 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.68% (86th) EPSS

CVSS 9 · high

Is it mine?

17 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

9.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09highAV:N/AC:L/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8 · impact 10

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.8highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-269USprimaryCWE-78US

affected products (17)

Products and version ranges known to be affected.

n/a Citrix Virtual Apps and Desktops≤ 2009, 1912 LTSR CU1 hotfixes CTX285870 and CTX286120, 7.15 LTSR CU6 hotfix CTX285344 and 7.6 LTSR CU9enisa_euvdEU
Citrix Systems Inc. Citrix Virtual Apps and Desktops (CVAD)≤ 2006fstec_bduRU
Citrix Systems Inc. Citrix Virtual Apps and Desktops (CVAD)1912 LTSR → 1912 LTSR CU1fstec_bduRU
Citrix Systems Inc. Citrix XenApp7.15 LTSR → 7.15 LTSR CU6fstec_bduRU
Citrix Systems Inc. Citrix XenApp7.6 LTSR → 7.6 LTSR CU8fstec_bduRU
Citrix Systems Inc. Citrix XenDesktop7.15 LTSR → 7.15 LTSR CU6fstec_bduRU
Citrix Systems Inc. Citrix XenDesktop7.6 LTSR → 7.6 LTSR CU8fstec_bduRU
citrix virtual apps and desktops≤ 2006nvdUScpe:2.3:a:citrix:virtual_apps_and_desktops:*:*:*:*:*:*:*:*
citrix virtual apps and desktops1903 → 1912nvdUScpe:2.3:a:citrix:virtual_apps_and_desktops:*:*:*:*:*:*:*:*
citrix xenapp< 7.6nvdUScpe:2.3:a:citrix:xenapp:*:*:*:*:*:*:*:*
citrix xenapp= 7.15nvdUScpe:2.3:a:citrix:xenapp:*:*:*:*:*:*:*:*
citrix xenapp= 7.6nvdUScpe:2.3:a:citrix:xenapp:*:*:*:*:*:*:*:*
citrix xenapp7.7 → 7.15nvdUScpe:2.3:a:citrix:xenapp:*:*:*:*:*:*:*:*
citrix xendesktop< 7.6nvdUScpe:2.3:a:citrix:xendesktop:*:*:*:*:*:*:*:*
citrix xendesktop= 7.15nvdUScpe:2.3:a:citrix:xendesktop:*:*:*:*:*:*:*:*
citrix xendesktop= 7.6nvdUScpe:2.3:a:citrix:xendesktop:*:*:*:*:*:*:*:*
citrix xendesktop7.7 → 7.15nvdUScpe:2.3:a:citrix:xendesktop:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-12-14modified 2026-06-17

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references (4)

External citations — patches, advisories, analysis.

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