Medium 6.5Known exploited (CISA KEV)Published Jul 10, 2020

CVE-2020-8193Improper 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.…

Updated under an hour ago (2026-10-19 06:25 UTC)

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It affects citrix application_delivery_controller_firmware and 3 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by May 3, 2022. Treat that date as your deadline.

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Every CVE for citrix application_delivery_controller_firmware

Exploited in the last 30 days

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: 6.5 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness (CWE): CWE-284
Known exploited: Added to CISA KEV Nov 3, 2021; federal remediation due May 3, 2022Apply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 88.27% (percentile 100)
Assigned by: hackerone
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

citrix application_delivery_controller_firmware citrix:application_delivery_controller_firmware	from 10.5 before 10.5-70.18; from 11.1 before 11.1-64.14; from 12.0 before 12.0-63.21; from 12.1 before 12.1-57.18; from 13.0 before 13.0-58.30	NVD
citrix netscaler_gateway_firmware citrix:netscaler_gateway_firmware	from 10.5 before 10.5-70.18; from 11.1 before 11.1-64.14; from 12.0 before 12.0-63.21; from 12.1 before 12.1-57.18	NVD
citrix gateway_firmware citrix:gateway_firmware	from 13.0 before 13.0-58.30	NVD
citrix sd-wan_wanop citrix:sd-wan_wanop	from 10.2 before 10.2.7; from 11.0 before 11.0.3d; from 11.1 before 11.1.1a	NVD

References

https://support.citrix.com/article/CTX276688x-refsource-misc, vendor-advisory
http://packetstormsecurity.com/files/160047/Citrix-ADC-NetScaler-Local-File-Inclusion.htmlx-refsource-misc, exploit, third-party-advisory, vdb-entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-8193us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.