Attackers exploiting critical Citrix ADC, Gateway flaw, company yet to release fixes - Help Net Security
NMAS Click Jack Security Vulnerability: X-Frame-Options or the Content-Security-Policy's frame ancestor option missing to prevent Click Jacking attacks
Checklist for Citrix ADC CVE-2019-19781 – Deyda.net
Citrix ADC and Gateway Remote Code Execution Vulnerability (CVE-2019-19781) | Qualys Security Blog
CVE-2019-19781, what you should know and how to fix your Citrix ADC, Access Gateway and SD-WAN WANOP - Poppelgaard.com
CVE-2019-19781: Active Exploitation of Citrix NetScaler Details | Rapid7 Blog
Experts warn of ongoing scans for Citrix servers affected by CVE-2019-19781Security Affairs
How to Configure NetScaler Application Firewall Signatures Protection Based on Vulnerability Scan Result of QualysGuard