Update: Citrix provides patch for security vulnerability.
As reported in the Bechtle blog and in the current daily media, the NetScaler appliances from Citrix are currently affected by a critical security vulnerability. Together with Citrix, we are now offering a hotline (+49 89 327 297 199), where Citrix ADC specialists from a task force will provide the necessary support. Also, Citrix released firmware builds that fix the gap in certain versions. Contact us, we will be happy to support you.