Citrix ADC and Citrix Gateway Security Bulletin for CVE-2023-3519, CVE-2023-3466, CVE-2023-3467

Citrix ADC and Citrix Gateway Security Bulletin for CVE-2023-3519, CVE-2023-3466, CVE-2023-3467

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Article ID: CTX561482

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Updated On:

Description

Multiple vulnerabilities have been discovered in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway).

The following supported versions of NetScaler ADC and NetScaler Gateway are affected by the vulnerabilities: 

  • NetScaler ADC and NetScaler Gateway 13.1 before 13.1-49.13 
  • NetScaler ADC and NetScaler Gateway 13.0 before 13.0-91.13 
  • NetScaler ADC 13.1-FIPS before 13.1-37.159
  • NetScaler ADC 12.1-FIPS before 12.1-55.297
  • NetScaler ADC 12.1-NDcPP before 12.1-55.297

Note: NetScaler ADC and NetScaler Gateway version 12.1 is now End Of Life (EOL) and is vulnerable.

This bulletin only applies to customer-managed NetScaler ADC and NetScaler Gateway. Customers using Citrix-managed cloud services or Citrix-managed Adaptive Authentication do not need to take any action. 

 

CVE IDAffected ProductsDescriptionPre-requisitesCWE
CVE-2023-3466Citrix ADC, Citrix GatewayReflected Cross-Site Scripting (XSS)Requires victim to access an attacker-controlled link in the browser while being on a network with connectivity to the NSIPCWE-20
CVE-2023-3467Citrix ADC, Citrix GatewayPrivilege Escalation to root administrator (nsroot)Authenticated access to NSIP or SNIP with management interface accessCWE-269
CVE-2023-3519Citrix ADC, Citrix GatewayUnauthenticated remote code executionAppliance must be configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual serverCWE-94

Instructions

Exploits of CVE-2023-3519 on unmitigated appliances have been observed. Cloud Software Group strongly urges affected customers of NetScaler ADC and NetScaler Gateway to install the relevant updated versions as soon as possible. 

  • NetScaler ADC and NetScaler Gateway 13.1-49.13  and later releases
  • NetScaler ADC and NetScaler Gateway 13.0-91.13  and later releases of 13.0  
  • NetScaler ADC 13.1-FIPS 13.1-37.159 and later releases of 13.1-FIPS  
  • NetScaler ADC 12.1-FIPS 12.1-55.297 and later releases of 12.1-FIPS  
  • NetScaler ADC 12.1-NDcPP 12.1-55.297 and later releases of 12.1-NDcPP 

Note: NetScaler ADC and NetScaler Gateway version 12.1 is now End Of Life (EOL). Customers are recommended to upgrade their appliances to one of the supported versions that address the vulnerabilities. 

Acknowledgements

Citrix thanks Wouter Rijkbost and Jorren Geurts of Resillion for working with us to protect Citrix customers.

What Citrix is Doing

Citrix is notifying customers and channel partners about this potential security issue through the publication of this security bulletin on the Citrix Knowledge Center at https://support.citrix.com/securitybulletins.

Obtaining Support on This Issue

If you require technical assistance with this issue, please contact Citrix Technical Support. Contact details for Citrix Technical Support are available at https://www.citrix.com/support/open-a-support-case.

Subscribe to Receive Alerts

Citrix strongly recommends that all customers subscribe to receive alerts when a Citrix security bulletin is created or modified at https://support.citrix.com/user/alerts.

Reporting Security Vulnerabilities to Citrix

Citrix welcomes input regarding the security of its products and considers any and all potential vulnerabilities seriously. For details on our vulnerability response process and guidance on how to report security-related issues to Citrix, please see the following webpage: https://www.citrix.com/about/trust-center/vulnerability-process.html.

Disclaimer

This document is provided on an "as is" basis and does not imply any kind of guarantee or warranty, including the warranties of merchantability or fitness for a particular use. Your use of the information on the document is at your own risk. Citrix reserves the right to change or update this document at any time. Customers are therefore recommended to always view the latest version of this document directly from the Citrix Knowledge Center.

Additional Information

2023-07-18 T 11:15:00ZUpdated acknowledgment
2023-07-18 T 10:30:00ZInitial Publication
2023-07-18 T 11:00:00ZUpdated table to accurately represent affected products
2023-07-18 T 13:30:00ZUpdated 12.1 FIPs and NDcPP build details
2024-07-13 T 15:30:00ZPlatform migration
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