https://www.bleepingcomputer.com/news/security/citrix-releases-final-patch-as-ransomware-attacks-ramp-up/

Citrix released the final permanent fix for the actively exploited CVE-2019-19781 vulnerability. needed to secure all vulnerable Citrix Application Delivery Controller (ADC), Citrix Gateway, and Citrix SD-WAN WANOP appliances.

"Today, we released the permanent fix for Citrix Application Delivery Controller (ADC) version 10.5 to address the CVE-2019-19781 vulnerability," Citrix's CISO Fermin J. Serna says.