CVE-2021-22919: High severity Citrix Application Delivery Controller Firmware vulnerability

Q: What is the vulnerability ID of this Citrix ADC vulnerability?

The vulnerability ID of this Citrix ADC vulnerability is CVE-2021-22919.

Q: What is the severity level of CVE-2021-22919?

The severity level of CVE-2021-22919 is high.

Q: What software is affected by CVE-2021-22919?

CVE-2021-22919 affects Citrix ADC (formerly known as NetScaler ADC), Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO.

Q: What is the impact of CVE-2021-22919?

If exploited, CVE-2021-22919 could lead to the limited available disk space on the affected systems.

Q: Where can I find more information about CVE-2021-22919 and how to fix it?

More information about CVE-2021-22919 and how to fix it can be found in the official Citrix support article: https://support.citrix.com/article/CTX319135.

Published Aug 5, 2021

Updated

A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to the limited available disk space on the appliances being fully consumed.

Affected Software

28 affected components

Citrix Application Delivery Controller Firmware>=11.1<11.1-65.22

Citrix Application Delivery Controller Firmware>=12.1<12.1-62.27

Citrix Application Delivery Controller Firmware>=13.0<13.0-82.45

Citrix Application Delivery Controller

Citrix Application Delivery Controller Firmware>=12.1<12.1-55.238

Citrix Mpx\/sdx 14030 Fips

Citrix Mpx\/sdx 14060 Fips

Citrix Mpx\/sdx 14080 Fips

Citrix Mpx 15030-50g Fips

Citrix Mpx 15040-50g Fips

Citrix Mpx 15060-50g Fips

Citrix Mpx 15080-50g Fips

Citrix Mpx 15100-50g Fips

Citrix Mpx 15120-50g Fips

Citrix Mpx 8905 Fips

Citrix Mpx 8910 Fips

Citrix Mpx 8920 Fips

Citrix Gateway>=12.1<12.1-62.27

Citrix Gateway>=13.0<13.0-82.45

Citrix NetScaler Gateway>=11.1<11.1-65.22

Citrix SD-WAN WANOP>=10.2<10.2.9.b

Citrix SD-WAN WANOP>=11.2<11.2.3.b

Citrix SD-WAN WANOP>=11.3<11.3.2.a

Citrix SD-WAN WANOP>=11.4<11.4.0.a

Citrix 4000-WO

Citrix 4100-WO

Citrix 5000-WO

Citrix 5100-WO

Event History

Aug 5, 2021

CVE Published

via MITRE·08:16 PM

Data Sourced

via MITRE·08:16 PM

DescriptionWeakness

Frequently Asked Questions

What is the vulnerability ID of this Citrix ADC vulnerability?

The vulnerability ID of this Citrix ADC vulnerability is CVE-2021-22919.

What is the severity level of CVE-2021-22919?

The severity level of CVE-2021-22919 is high.

What software is affected by CVE-2021-22919?

CVE-2021-22919 affects Citrix ADC (formerly known as NetScaler ADC), Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO.

What is the impact of CVE-2021-22919?

If exploited, CVE-2021-22919 could lead to the limited available disk space on the affected systems.

Where can I find more information about CVE-2021-22919 and how to fix it?