medium Known exploitedREV. 01

CVE-2020-8193Citrix Gateway — Authorization Bypass on Management Endpoints

Improper access control in Citrix gateway and delivery appliances lets an unauthenticated caller reach management endpoints, which attackers chained with neighbouring flaws to run commands on the device.

YOUR NEXT MOVE

Upgrade to Citrix 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 or 10.5-70.18, and review management access logs.

Read the risk

THE VITAL STATS
CVSS score
6.5/ 10
CVSS v3.1
EPSS probability
88%
Likelihood of exploitation
Attack complexity
Low
Conditions needed to exploit
Known exploited
Yes — CISA KEV
CVE published
2020-07-10
Added to KEV
2021-11-03
Exploit published
Yes
Confidence
high
Kill chain
initial access
MITRE ATT&CK
T1190, T1078
Severity
medium

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

Attacker needsNetwork access to the appliance management interface

Fixed inCitrix ADC/Gateway 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14, 10.5-70.18

Behind the card

4 REFERENCES
Field-level provenanceTRACE THE SOURCES +

Which source supports each field, when it was retrieved, and who extracted it.

FieldsSourceRetrievedExtractorConfidence
cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_atnvd.nist.gov2026-08-07scrty-crds-pipeline/0.1high
exploitation.known_exploited, exploitation.kev_addedcisa.gov2026-08-07scrty-crds-pipeline/0.1high
epssapi.first.org2026-08-07scrty-crds-pipeline/0.1high
title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisitesnvd.nist.gov2026-08-07claude-codehigh

Printing history

THE RECORD
  1. r1Initial base card

First printing. This card has not been reprinted since publication.

crds:cve-2020-8193 · CRDS 0.1 · Issued 2026-08-07