Is CVE-2019-19781 actively exploited?

CVE-2019-19781 has no public evidence of in-the-wild exploitation as of 2025-11-07.

What is the CVSS score for CVE-2019-19781?

CVE-2019-19781 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2019-19781?

Patch guidance is available from citrix security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2019-19781.

Fix CVE-2019-19781 - CRITICAL

Q: Which products are affected by CVE-2019-19781?

10 products: citrix application delivery controller firmware, citrix application delivery controller firmware, citrix application delivery controller firmware, citrix application delivery controller firmware, citrix application delivery controller firmware, and 5 more.

Description

An issue was discovered in Citrix Application Delivery Controller (ADC) and Gateway 10.5, 11.1, 12.0, 12.1, and 13.0. They allow Directory Traversal.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-22 · Path Traversal CWE-22 · Path Traversal

Metadata

Primary Vendor: CITRIX
Published: 12/27/2019
Last Modified: 11/7/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

citrix : application_delivery_controller_firmwarecitrix : application_delivery_controller_firmwarecitrix : application_delivery_controller_firmwarecitrix : application_delivery_controller_firmwarecitrix : application_delivery_controller_firmwarecitrix : netscaler_gateway_firmwarecitrix : netscaler_gateway_firmwarecitrix : netscaler_gateway_firmwarecitrix : netscaler_gateway_firmwarecitrix : gateway_firmware

Remediation Guidance

Executive Summary

View on NIST NVD