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AUSCERT External Security Bulletin Redistribution
ESB-2023.3037
NSX-T update addresses cross-site scripting vulnerability (CVE-2023-20868)
25 May 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: NSX-T
Publisher: VMware
Operating System: Virtualisation
Windows
UNIX variants (UNIX, Linux, OSX)
Resolution: Patch/Upgrade
CVE Names: CVE-2023-20868
Original Bulletin:
https://www.vmware.com/security/advisories/VMSA-2023-0010.html
Comment: CVSS (Max): 4.3 CVE-2023-20868 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
CVSS Source: VMware
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
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Advisory ID: VMSA-2023-0010
CVSSv3 Range: 4.3
Issue Date: 2023-05-23
Updated On: 2023-05-23 (Initial Advisory)
CVE(s): CVE-2023-20868
Synopsis: NSX-T update addresses cross-site scripting vulnerability
(CVE-2023-20868)
1. Impacted Products
o NSX-T
2. Introduction
An XSS vulnerability in NSX-T was privately reported to VMware. Updates are
available to address this vulnerability in affected VMware product.
3. NSX-T reflected XSS vulnerability (CVE-2023-20868)
Description
NSX-T contains a reflected cross-site scripting vulnerability due to a lack of
input validation. VMware has evaluated the severity of this issue to be in the
Moderate severity range with a maximum CVSSv3 base score of 4.3.
Known Attack Vectors
A remote attacker can inject HTML or JavaScript to redirect to malicious pages
Resolution
To remediate CVE-2023-20868 update to the version listed in the 'Fixed Version'
column of the 'Response Matrix' found below.
Workarounds
None
Additional Documentation
An NSX async patch has been made available for VCF customers. Please see
knowledge base article 88287 for more information.
Notes
None
Acknowledgements
VMware would like to thank Faisal Patel of Nationwide Building Society for
reporting this issue to us.
Response Matrix
Product Version Running CVE Identifier CVSSv3 Severity Fixed Workarounds Additional
On Version Documentation
NSX 4.x Any CVE-2023-20868 N/A N/A Unaffected None None
NSX-T 3.2.x Any CVE-2023-20868 4.3 3.2.3 None None
moderate
NSX-T 3.1.x, Any CVE-2023-20868 N/A N/A Unaffected None None
3.0.x
Cloud NSX-T
Foundation 4.5.x Any CVE-2023-20868 4.3 moderate 3.2.3 None KB88287
(NSX-T)
Cloud 4.4.x,
Foundation 4.3.x Any CVE-2023-20868 N/A N/A Unaffected None None
(NSX-T)
4. References
Fixed Version(s) and Release Notes:
NSX-T 3.2.3 Release Notes
Downloads and Documentation:
https://docs.vmware.com/en/VMware-NSX/3.2.3/rn/
vmware-nsxt-data-center-323-release-notes/index.html
https://customerconnect.vmware.com/downloads/info/slug/networking_security/
vmware_nsx_t_data_center/3_x
https://kb.vmware.com/s/article/88287
Mitre CVE Dictionary Links:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20868
FIRST CVSSv3 Calculator:
CVE-2023-20868: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/
PR:N/UI:R/S:U/C:L/I:N/A:N
5. Change Log
2023-05-23 VMSA-2023-0010
Initial security advisory.
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