CVE-2024-5491: Citrix NetScaler Application Delivery Controller

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

Denial of Service in NetScaler ADC and NetScaler Gateway in NetScaler

Affected products

• Citrix NetScaler Application Delivery Controller: from 12.1, before 12.1-55.304 (fixed in 12.1-55.304); from 12.1, before 13.0-92.31 (fixed in 13.0-92.31); from 13.1, before 13.1-37.183 (fixed in 13.1-37.183); from 13.1, before 13.1-53.17 (fixed in 13.1-53.17); from 14.1, before 14.1-25.53 (fixed in 14.1-25.53)
• Citrix NetScaler Gateway: from 12.1, before 13.0-92.31 (fixed in 13.0-92.31); from 13.1, before 13.1-53.17 (fixed in 13.1-53.17); from 14.1, before 14.1-25.53 (fixed in 14.1-25.53)

Published 2024-07-10. Last modified 2026-06-17.