Citrix Netscaler Gateway vulnerabilities
73 vulnerabilities
Known vulnerabilities in Citrix Netscaler Gateway, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.
CVE-2018-7218citrixapplication_delivery_controller+1
EPSS score6.16%
The AppFirewall functionality in Citrix NetScaler Application Delivery Controller and NetScaler Gateway 10.5 before Build 68.7, 11.0 before Build 71.24, 11.1 before Build 58.13, and 12.0 before Build 57.24 allows remote attackers to execute arbitrary code via unspecified vectors.CVE-2018-18517citrixnetscaler_gatewayEPSS score0.83%
Citrix NetScaler Gateway 10.5.x before 10.5.69.003, 11.1.x before 11.1.59.004, 12.0.x before 12.0.58.7, and 12.1.x before 12.1.49.1 has XSS.CVE-2018-5314citrixnetscaler_application_delivery_controller+2EPSS score2.85%
Command injection vulnerability in Citrix NetScaler ADC and NetScaler Gateway 11.0 before build 70.16, 11.1 before build 55.13, and 12.0 before build 53.13; and the NetScaler Load Balancing instance distributed with NetScaler SD-WAN/CloudBridge 4000, 4100, 5000 and 5100 WAN Optimization Edition 9.3.0 allows remote attackers to execute a system command or read arbitrary files via an SSH login prompt.CVE-2018-6811citrixnetscaler_application_delivery_controller+1EPSS score1.17%
Multiple cross-site scripting (XSS) vulnerabilities in Citrix NetScaler 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 inject arbitrary web script or HTML via the Citrix NetScaler interface.CVE-2018-6808citrixnetscaler_application_delivery_controller+1EPSS score2.33%
NetScaler 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 download arbitrary files on the target system.CVE-2018-6810citrixnetscaler_application_delivery_controller+1EPSS score4.36%
Directory traversal vulnerability in NetScaler ADC 10.5, 11.0, 11.1, and 12.0, and NetScaler Gateway 10.5, 11.0, 11.1, and 12.0 allows remote attackers to traverse the directory on the target system via a crafted request.CVE-2018-6809citrixnetscaler_application_delivery_controller+1EPSS score4.14%
NetScaler 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-2021-22919citrixapplication_delivery_controller+3EPSS score0.94%
A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to the limited available disk space on the appliances being fully consumed.CVE-2021-22927citrixapplication_delivery_controller+2EPSS score0.84%
A session fixation vulnerability exists in Citrix ADC and Citrix Gateway 13.0-82.45 when configured SAML service provider that could allow an attacker to hijack a session.CVE-2015-2829citrixnetscaler_application_delivery_controller+1EPSS score1.98%
Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway before 10.5 Build 53.9 through 55.8 and 10.5.e Build 53-9010.e allow remote attackers to cause a denial of service (reboot) via unspecified vectors.CVE-2015-7996citrixnetscaler_application_delivery_controller+2EPSS score1.02%
The Nitro API in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway before 10.1 Build 133.9, 10.5 before Build 58.11, and 10.5.e before Build 56.1505.e on NetScaler Service Delivery Appliance Service VM (SVM) devices allow attackers to obtain credentials via the browser cache.CVE-2015-7997citrixnetscaler_application_delivery_controller+2EPSS score1.00%
Multiple cross-site scripting (XSS) vulnerabilities in the Nitro API in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway before 10.1 Build 133.9, 10.5 before Build 58.11, and 10.5.e before Build 56.1505.e on NetScaler Service Delivery Appliance Service VM (SVM) devices allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.CVE-2015-7998citrixnetscaler_application_delivery_controller+2EPSS score1.02%
The administration UI in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway before 10.1 Build 133.9, 10.5 before Build 58.11, and 10.5.e before Build 56.1505.e on NetScaler Service Delivery Appliance Service VM (SVM) devices allows attackers to obtain sensitive information via unspecified vectors.CVE-2015-5538citrixnetscaler_application_delivery_controller+1EPSS score3.15%
Multiple unspecified vulnerabilities in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway before 10.1 Build 132.8, 10.5 before Build 57.7, and 10.5e before Build 56.1505.e allow remote attackers to gain privileges via unknown vectors, related to the (1) Command Line Interface (CLI) and the (2) Web User Interface (UI).CVE-2015-5080citrixnetscaler_application_delivery_controller+1EPSS score3.97%
The Management Interface in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway 10.1 before 10.1.132.8, 10.5 before Build 56.15, and 10.5.e before Build 56.1505.e allows remote authenticated users to execute arbitrary shell commands via shell metacharacters in the filter parameter to rapi/ipsec_logs.CVE-2015-6672citrixnetscaler_application_delivery_controller+1EPSS score1.43%
Cross-site scripting (XSS) vulnerability in the Administrative Web Interface in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway before 10.1 Build 132.8, 10.5 before Build 57.7, and 10.5e before Build 56.1505.e allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.CVE-2015-3642citrixnetscaler_application_delivery_controller+1EPSS score0.85%
The TLS and DTLS processing functionality in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway devices with firmware 9.x before 9.3 Build 68.5, 10.0 through Build 78.6, 10.1 before Build 130.13, 10.1.e before Build 130.1302.e, 10.5 before Build 55.8, and 10.5.e before Build 55.8007.e makes it easier for man-in-the-middle attackers to obtain cleartext data via a padding-oracle attack, a variant of CVE-2014-3566 (aka POODLE).CVE-2025-7775citrixnetscaler_application_delivery_controller+3KEVEPSS score20.28%
Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server
(OR)
NetScaler ADC and NetScaler Gateway 13.1, 14.1, 13.1-FIPS and NDcPP: LB virtual servers of type (HTTP, SSL or HTTP_QUIC) bound with IPv6 services or servicegroups bound with IPv6 servers
(OR)
NetScaler ADC and NetScaler Gateway 13.1, 14.1, 13.1-FIPS and NDcPP: LB virtual servers of type (HTTP, SSL or HTTP_QUIC) bound with DBS IPv6 services or servicegroups bound with IPv6 DBS servers
(OR)
CR virtual server with type HDXCVE-2025-7776citrixnetscaler_application_delivery_controller+3EPSS score8.21%
Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) with PCoIP Profile bounded to itCVE-2025-5777citrixnetscaler_application_delivery_controller+3KEVRansomwareEPSS score99.97%
Insufficient input validation leading to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server