Citrix Application Delivery Controller (ADC), previously known as NetScaler ADC, has a serious vulnerability monitored under CVE-2019-19781. The crucial flaw, originally reported by Positive Technologies Mikhail Klyuchnikov, facilitates directory cross-cutters and allows threatening actors to execute remote code execution (RCE) attacks if used. At least 80,000 organisations could be at risk. A patch is not yet released but Citrix has released it but the organization advises that IT administrators use a series of instructions to adjust reaction policies.”]
Source: https://hackercombat.com/hackers-check-citrix-servers-for-weakness-in-remote-code-execution/