CVE-2019-12044

Name: CVE-2019-12044
Creator: NVD / NIST
Published: 2019-05-22T16:29:01.243+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.55%

Last modified Jun 17, 2026

CVE-2019-12044 is a vulnerability of currently unknown severity. A Buffer Overflow exists in Citrix NetScaler Gateway 10.5.x before 10.5.70.x, 11.1.x before 11.1.59.10, 12.0.x before 12.0.59.8, and 12.1.x before 12.1.49.23 and Citrix Application Delivery Controller 10.5.x before 10.5.70.x, 11.1.x before 11.1.59.10, 12.0.x before 12.0.59.8, and 12.1.x before 12.1.49.23.. EPSS estimates a 1.55% chance of exploitation in the next 30 days.

Description

A Buffer Overflow exists in Citrix NetScaler Gateway 10.5.x before 10.5.70.x, 11.1.x before 11.1.59.10, 12.0.x before 12.0.59.8, and 12.1.x before 12.1.49.23 and Citrix Application Delivery Controller 10.5.x before 10.5.70.x, 11.1.x before 11.1.59.10, 12.0.x before 12.0.59.8, and 12.1.x before 12.1.49.23.

Metrics

EPSS Probability

1.55%

71.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Citrix	Netscaler Gateway Firmware	>= 10.5.0, < 10.5.70
Citrix	Netscaler Gateway Firmware	>= 11.1.0, < 11.1.59.10
Citrix	Netscaler Gateway Firmware	>= 12.0.0, < 12.0.59.8
Citrix	Netscaler Gateway Firmware	>= 12.1.0, < 12.1.49.23
Citrix	Netscaler Application Delivery Controller Firmware	>= 10.5.0, < 10.5.70
Citrix	Netscaler Application Delivery Controller Firmware	>= 11.1.0, < 11.1.59.10
Citrix	Netscaler Application Delivery Controller Firmware	>= 12.0.0, < 12.0.59.8
Citrix	Netscaler Application Delivery Controller Firmware	>= 12.1.0, < 12.1.49.23

References

https://support.citrix.com/article/CTX249976Patch, Vendor Advisory
https://support.citrix.com/v1/search?searchQuery=%22%22&lang=en&sort=cr_date_desc&prod=&pver=&ct=Security+BulletinVendor Advisory
https://support.citrix.com/article/CTX249976Patch, Vendor Advisory
https://support.citrix.com/v1/search?searchQuery=%22%22&lang=en&sort=cr_date_desc&prod=&pver=&ct=Security+BulletinVendor Advisory

Timeline

Published: May 22, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-12044?

How severe is CVE-2019-12044?

Severity scoring for CVE-2019-12044 is pending analysis. The EPSS model estimates a 1.55% probability of exploitation in the next 30 days.

How do I fix CVE-2019-12044?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-12044?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST