Security researchers are warning of ongoing scans for Citrix Application Delivery Controller (NetScaler) and Citrix Gateway servers affected by the CVE-2019-19781 vulnerabilities. Citrix has released a security advisory on all supported product versions and all supported platforms. At least 80,000 companies in 158 countries are potentially at risk, most of them in the U.S. (38%), followed by the UK, Germany, the Netherlands, and Australia. The vulnerability was discovered by Mikhail Klyuchnikov from Positive Technologies.”]
Source: https://securityaffairs.co/wordpress/96216/hacking/citrix-scans-cve-2019-19781.html