Critical NetScaler fixes put internet-facing gateways back at the top of the queue.
What happened. CERT-EU summarized Citrix’s advisory for multiple critical vulnerabilities affecting NetScaler ADC and NetScaler Gateway and recommended prompt updates.
Impact and confidence
Affected products and vendor fixes are confirmed through official coordination. Exposure and compromise status remain environment-specific.
Defensive takeaway
Inventory externally reachable gateways, compare exact builds with the vendor matrix, update, and retain evidence where earlier exposure may matter.