CVE-2020-8247: Citrix Application Delivery Controller Firmware

High severity, CVSS 8.8. EPSS: 1.4% chance of exploitation in the next 30 days.

Citrix ADC and Citrix Gateway 13.0 before 13.0-64.35, Citrix ADC and NetScaler Gateway 12.1 before 12.1-58.15, Citrix ADC 12.1-FIPS before 12.1-55.187, Citrix ADC and NetScaler Gateway 12.0, Citrix ADC and NetScaler Gateway 11.1 before 11.1-65.12, Citrix SD-WAN WANOP 11.2 before 11.2.1a, Citrix SD-WAN WANOP 11.1 before 11.1.2a, Citrix SD-WAN WANOP 11.0 before 11.0.3f, Citrix SD-WAN WANOP 10.2 before 10.2.7b are vulnerable to escalation of privileges on the management interface.

Affected products

• Citrix Application Delivery Controller Firmware: from 11.1, before 11.1-65.12 (fixed in 11.1-65.12); from 12.1, before 12.1-58.15 (fixed in 12.1-58.15); from 13.0, before 13.0-64.35 (fixed in 13.0-64.35)
• Citrix Gateway: from 11.1, before 11.1-65.12 (fixed in 11.1-65.12); from 13.0, before 13.0-64.35 (fixed in 13.0-64.35)
• Citrix NetScaler Gateway: from 12.1, before 12.1-58.15 (fixed in 12.1-58.15)
• Citrix SD-WAN WANOP: from 10.2, before 10.2.7b (fixed in 10.2.7b); from 11.0, before 11.0.3f (fixed in 11.0.3f); from 11.1, before 11.1.2a (fixed in 11.1.2a); from 11.2, before 11.2.1a (fixed in 11.2.1a)

Published 2020-09-18. Last modified 2026-06-17.