NICER Protocol Deep Dive: Internet Exposure of Citrix ADC/NetScaler

Welcome to the NICER Protocol Deep Dive blog series! When we started researching what all was out on the internet way back in January, we had no idea we'd end up with a hefty, 137-page tome of a research report. The sheer length of such a thing might put off folks who might otherwise learn a thin...

Vulnerability fixed in Citrix ADC and Citrix Gateway

Citrix has fixed a vulnerability in ADC and Gateway. The vulnerability allows a malicious party to obtain elevated privileges. obtain. The vulnerability can only be exploited from a peer switch whose Link Layer Discovery Protocol LLDP is enabled. Citrix has released updates to fix the...

Exploit for Path Traversal in Citrix Application_Delivery_Controller_Firmware

This is a Python script that exploits the CVE-2019-19781 vulnerability in Citrix Application Delivery Controller and Citrix Gateway. The script is designed to upload a malicious XML file to the vulnerable device, which will execute the code contained within, resulting in remote code execution. Th...

Citrix ADC and Citrix NetScaler Gateway Multiple Vulnerabilities (CTX281474)

The remote Citrix ADC or Citrix NetScaler Gateway device is version 11.1.x prior to 11.1-65.12, 12.1.x prior to 12.1-58.15 or 12.1-FIPS prior to 12.1-55.187 13.0.x prior to 13.0-64.35. It is, therefore, affected by multiple vulnerabilities: - A HTML injection vulnerability exists in Citrix ADC du...

Configure "-denySSLReneg" Parameter to Disable Client Side and Server Side SSL Renegotiation on ADC

This article describes the configuration and use of -denySSLReneg parameter that is recently added to Citrix ADC appliance firmware and Citrix Gateway application software...

CVE-2020-8245

Improper Input Validation on Citrix 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 ADC and NetScaler Gateway 12.0, Citrix ADC and NetScaler Gateway 11.1 before 11.1-65.12, Citrix SD-WAN WANOP...

CVE-2020-8246

Citrix 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 ADC and NetScaler Gateway 12.0, Citrix ADC and NetScaler Gateway 11.1 before 11.1-65.12, Citrix SD-WAN WANOP 11.2 before 11.2.1a, Citrix...

CVE-2020-8245

Improper Input Validation on Citrix 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 ADC and NetScaler Gateway 12.0, Citrix ADC and NetScaler Gateway 11.1 before 11.1-65.12, Citrix SD-WAN WANOP...

Code injection

Citrix 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 ADC and NetScaler Gateway 12.0, Citrix ADC and NetScaler Gateway 11.1 before 11.1-65.12, Citrix SD-WAN WANOP 11.2 before 11.2.1a, Citrix...

CVE-2020-8246

Citrix 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 ADC and NetScaler Gateway 12.0, Citrix ADC and NetScaler Gateway 11.1 before 11.1-65.12, Citrix SD-WAN WANOP 11.2 before 11.2.1a, Citrix...

CVE-2020-8245

Improper Input Validation on Citrix 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 ADC and NetScaler Gateway 12.0, Citrix ADC and NetScaler Gateway 11.1 before 11.1-65.12, Citrix SD-WAN WANOP...

CVE-2020-8245

Citrix advisory CTX281474 details CVE-2020-8245 affecting Citrix ADC, Citrix Gateway, and related SD-WAN WANOP appliances. Root cause: HTML Injection due to improper input validation in the SSL VPN web portal. Impact: HTML content injection by an authenticated victim who must open an attacker-con...

VulnCheck KEV: CVE-2020-8193

Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an authorization bypass vulnerability that may allow unauthenticated access to certain URL endpoints. The attacker must have access to the NetScaler IP NSIP in order to perform exploitation...

CVE-2020-11901: Impact of Ripple20 vulnerabilities on Citrix ADC/ADM/SVM

Citrix ADC/ADM/SVM will be detected with TCP ripple 20 vulnerability while performing security scans...

VulnCheck KEV: CVE-2020-8195

Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an information disclosure vulnerability...

Citrix ADC/Nestcaler upgrade seems to be stuck when upgrading from GUI

Citrix ADC/Nestcaler upgrade seems to be stuck when upgrading from GUI...

Exploit for Path Traversal in Citrix Application_Delivery_Controller_Firmware

CVE-2019-19781 Simple POC to test if your Citrix ADC Nets...

Exploit for Path Traversal in Citrix Application_Delivery_Controller_Firmware

Citrix Unauthorized Remote Code Execution Attacker - CVE-2019-...

CVE-2020-8191

Improper input validation 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 reflected Cross Site Scripting XSS...

CVE-2020-8197

Privilege escalation vulnerability on 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 allows a low privileged user with management access to execute arbitrary commands...