CVE-2018-7218: Citrix Application Delivery Controller Firmware

Critical severity, CVSS 9.8. EPSS: 6.2% chance of exploitation in the next 30 days.

The AppFirewall functionality in Citrix NetScaler Application Delivery Controller and NetScaler Gateway 10.5 before Build 68.7, 11.0 before Build 71.24, 11.1 before Build 58.13, and 12.0 before Build 57.24 allows remote attackers to execute arbitrary code via unspecified vectors.

Affected products

• Citrix Application Delivery Controller Firmware: version 10.5 only; version 11.0 only; version 11.1 only; version 12.0 only
• Citrix NetScaler Gateway Firmware: version 10.5 only; version 11.0 only; version 11.1 only; version 12.0 only

Published 2018-05-17. Last modified 2026-06-17.