Citrix Netscaler Gateway

58 CVEs affecting Citrix Netscaler Gateway. Latest disclosed: 2026-10-04. Critical: 18, High: 29.

Top CVEs affecting Citrix Netscaler Gateway
CVESeverityScorePublishedSummary
CVE-2026-88773Critical10.02026-09-27Inconsistent interpretation of HTTP requests ('HTTP Request/Response smuggling') vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issu…
CVE-2026-88777Critical9.82026-09-27Memory overflow vulnerability vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23…
CVE-2026-88776Critical9.82026-09-27Memory overflow vulnerability vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23…
CVE-2026-88775Critical9.82026-09-27Memory overflow vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-…
CVE-2026-88771Critical9.82026-09-27Improper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, be…
CVE-2026-19490Critical9.82026-08-19Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through…
CVE-2026-8655Critical9.82026-06-30Multiple Memory overflow vulnerabilities in NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if NetScal…
CVE-2026-8452Critical9.82026-06-30Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is conf…
CVE-2026-3055Critical9.82026-03-23Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread
CVE-2025-7776Critical9.82025-08-26Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is con…
CVE-2025-7775Critical9.82025-08-26Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as…
CVE-2025-6543Critical9.82025-06-25Memory overflow vulnerability leading to unintended control flow and Denial of Service in NetScaler ADC and NetScaler Gateway when configured as Gateway (VPN v…
CVE-2023-3519Critical9.82023-07-19Unauthenticated remote code execution
CVE-2019-19781Critical9.82019-12-27An issue was discovered in Citrix Application Delivery Controller (ADC) and Gateway 10.5, 11.1, 12.0, 12.1, and 13.0. They allow Directory Traversal.
CVE-2019-18225Critical9.82019-10-21An issue was discovered in Citrix Application Delivery Controller (ADC) and Gateway before 10.5 build 70.8, 11.x before 11.1 build 63.9, 12.0 before build 62.1…
CVE-2018-6809Critical9.82018-03-06NetScaler ADC 10.5, 11.0, 11.1, and 12.0, and NetScaler Gateway 10.5, 11.0, 11.1, and 12.0 allow remote attackers to gain privilege on a target system.
CVE-2016-2071Critical9.82016-02-17Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway 11.x before 11.0 Build 64.34, 10.5 before 10.5 Build 59.13, and 10.5.e before Buil…
CVE-2023-4966Critical9.42023-10-10Sensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA  v…
CVE-2025-5349High8.82025-06-17Improper access control on the NetScaler Management Interface in NetScaler ADC and NetScaler Gateway
CVE-2020-8247High8.82020-09-18Citrix ADC and Citrix Gateway 13.0 before 13.0-64.35, Citrix ADC and NetScaler Gateway 12.1 before 12.1-58.15, Citrix ADC 12.1-FIPS before 12.1-55.187, Citrix…