high
7.5
CWE
770
Advisory Published
Updated

CVE-2021-22919

First published: Thu Aug 05 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.

Credit: support@hackerone.com

Affected SoftwareAffected VersionHow to fix
Citrix Netscaler Application Delivery Controller Firmware>=11.1<11.1-65.22
Citrix Netscaler Application Delivery Controller Firmware>=12.1<12.1-62.27
Citrix Netscaler Application Delivery Controller Firmware>=13.0<13.0-82.45
Citrix Application Delivery Controller (ADC) and Gateway
Citrix Netscaler 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
Citrix Mpx 8905 Fips
Citrix Mpx 8910 Fips
Citrix MPX 8920 FIPS
Citrix NetScaler Gateway>=12.1<12.1-62.27
Citrix NetScaler Gateway>=13.0<13.0-82.45
Citrix Netscaler Gateway Firmware>=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 SD-WAN 5100

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Reference Links

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?

    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.

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