CVE-2019-12991
Citrix SD-WAN and NetScaler Command Injection Vulnerability
Citrix · SD-WAN and NetScaler
Vulnerability details
Authenticated Command Injection in Citrix SD-WAN Appliance and NetScaler SD-WAN Appliance.
Added to CISA KEV: 2022-03-25
Ransomware campaign use: Unknown
CISA due date: 2022-04-15
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC