CVE-2020-8193

mediumpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.883 · 100 %ileexploit · PoCEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 5 exploits · PoC

Likely / severe?

88.3% (100th) EPSS

CVSS 5 · medium

Is it mine?

27 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2021-11-03remediate by 2022-05-03

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-22

Citrix ADC, Gateway, and SD-WAN WANOP Appliance Authorization Bypass Vulnerability

Improper access control in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 allows unauthenticated access to certain URL endpoints.

cvss

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

6.5

010

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

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 2.5

v3.16.5mediumAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondaryexploitability 3.9 · impact 2.5

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimaryCWE-284USCWE-284USCWE-287US

ATT&CK techniques

ATT&CK techniques this enables or maps to.

exploits (5)

Public proof-of-concept and weaponised exploit code.

Airboi/Citrix-ADC-RCE-CVE-2020-8193Citrix ADC从权限绕过到RCEPoC · poc_in_github
PR3R00T/CVE-2020-8193-Citrix-ScannerScanning for CVE-2020-8193 - Auth Bypass checkPoC · poc_in_github
Zeop-CyberSec/citrix_adc_netscaler_lfiThis Metasploit-Framework module can be use to help companies to check the last Citrix vulnerability CVE-2020-8193, CVE-2020-8195 and CVE-2020-8196 (disclosed July 08, 2020).PoC · poc_in_github
ctlyz123/CVE-2020-8193ctlyz123/CVE-2020-8193PoC · poc_in_github
jas502n/CVE-2020-8193Citrix ADC VulnsPoC · poc_in_github

affected products (27)

Products and version ranges known to be affected.

n/a Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP≤ Citrix ADC and Citrix Gateway 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP 11.1.1a, 11.0.3d and 10.2.7enisa_euvdEU
Citrix Systems Inc. Citrix ADC10.5 → 10.5-70.18fstec_bduRU
Citrix Systems Inc. Citrix ADC11.1 → 11.1-64.14fstec_bduRU
Citrix Systems Inc. Citrix ADC12.0 → 12.0-63.21fstec_bduRU
Citrix Systems Inc. Citrix ADC12.1 → 12.1-57.18fstec_bduRU
Citrix Systems Inc. Citrix ADC13.0 → 13.0-58.30fstec_bduRU
Citrix Systems Inc. Citrix Gateway10.5 → 10.5-70.18fstec_bduRU
Citrix Systems Inc. Citrix Gateway11.1 → 11.1-64.14fstec_bduRU
Citrix Systems Inc. Citrix Gateway12.0 → 12.0-63.21fstec_bduRU
Citrix Systems Inc. Citrix Gateway12.1 → 12.1-57.18fstec_bduRU
Citrix Systems Inc. Citrix Gateway13.0 → 13.0-58.30fstec_bduRU
Citrix Systems Inc. Citrix SD-WAN WANOP10.2 → 10.2.7fstec_bduRU
Citrix Systems Inc. Citrix SD-WAN WANOP11.0 → 11.0.3dfstec_bduRU
Citrix Systems Inc. Citrix SD-WAN WANOP11.1 → 11.1.1afstec_bduRU
citrix application delivery controller firmware10.5 → 10.5-70.18nvdUScpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix application delivery controller firmware11.1 → 11.1-64.14nvdUScpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix application delivery controller firmware12.0 → 12.0-63.21nvdUScpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix application delivery controller firmware12.1 → 12.1-57.18nvdUScpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix application delivery controller firmware13.0 → 13.0-58.30nvdUScpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix gateway firmware13.0 → 13.0-58.30nvdUScpe:2.3:o:citrix:gateway_firmware:*:*:*:*:*:*:*:*

showing 20 of 27

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 2020-07-10modified 2026-06-17

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references (11)

External citations — patches, advisories, analysis.

scry

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