CVE Watch—

CVE-2019-19781

Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability

CVSS

—

No CVSS

EPSS

100.0%

p100

KEV

YES

Nov 3, 2021

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

100.0%EPSS · 30 days100.0%

2026-06-302026-07-16

KEV catalog record

Product

Citrix / Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance

Vulnerability

Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

May 3, 2022

Known ransomware use

Yes

Summary description

Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an unspecified vulnerability that could allow an unauthenticated attacker to perform code execution.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2019-19781

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