NetScaler Console, Agent and SDX (SVM) Security Bulletin for CVE-2024-6235 and CVE-2024-6236

Description of Problem

Two vulnerabilities have been discovered in NetScaler Console (formerly NetScaler ADM), NetScaler SDX (SVM), and NetScaler Agent. Refer to below for further details:

Affected Versions

The following supported version of NetScaler Console (formerly NetScaler ADM) is affected by CVE-2024-6235:

• NetScaler Console 14.1before14.1-25.53

The following supported versions of NetScaler Console, NetScaler Agent and NetScaler SDX (SVM) are affected by CVE-2024-6236:

• NetScaler Console 14.1before14.1-25.53
• NetScaler Console 13.1before13.1-53.22
• NetScaler Console 13.0before13.0-92.31
• NetScaler SDX (SVM) 14.1 before 14.1-25.53
• NetScaler SDX (SVM) 13.1 before 13.1-53.17
• NetScaler SDX (SVM) 13.0 before 13.0-92.31
• NetScaler Agent 14.1before14.1-25.53
• NetScaler Agent 13.1before13.1-53.22
• NetScaler Agent 13.0before13.0-92.31

This bulletin only applies to the customer-managed NetScaler Console. Customers using Citrix-managed NetScaler Console Service do not need to take any action.

Summary

NetScaler Console contains the vulnerabilities mentioned below

CVE ID	Description	Pre-requisites	Affected Products	CWE	CVSS
CVE-2024-6235	Sensitive information disclosure	Access to NetScaler Console IP	NetScaler Console	CWE-287: Improper Authentication	CVSS v4.0 Base Score: 9.4

(CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H)
CVE-2024-6236| Denial of Service| Access to NetScaler Console IP, NetScaler Agent IP, SDX (SVM) IP | NetScaler Console, NetScaler Agent, NetScaler SDX (SVM)| CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer| CVSS v4.0 Base Score: 7.1

(CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N)

What Customers Should Do

Cloud Software Group strongly urges customers of NetScaler Console to install the relevant updated versions of NetScaler Console as soon as possible:

• NetScaler Console 14.1-25.53 and later releases of 14.1
• NetScaler Console 13.1-53.22 and later releases of 13.1
• NetScaler Console 13.0-92.31 and later releases of 13.0
• NetScaler SDX (SVM) 14.1-25.53 and later releases of 14.1
• NetScaler SDX (SVM) 13.1-53.17 and later releases of 13.1
• NetScaler SDX (SVM) 13.0-92.31 and later releases of 13.0
• NetScaler Agent 14.1-25.53and later releases of 14.1
• NetScaler Agent 13.1-53.22 and later releases of 13.1
• NetScaler Agent 13.0-92.31and later releases of 13.0

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&gt;.

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&gt;.

Subscribe to Receive Alerts

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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&gt;.

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Changelog

2024-07-09	Initial Publication
2024-07-10	Replaced NetScaler SVM with NetScaler SDX to reflect the appropriate product name
2024-07-11	Added clarification about SDX (SVM)