VMSA-2023-0010:NSX-T update addresses cross-site scripting vulnerability
23672
21 May 2023
21 May 2023
CLOSED
MEDIUM
4.3
CVE-2023-20868
1. Impacted Products
- 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 On | CVE Identifier | CVSSv3 | Severity | Fixed Version | Workarounds | Additional Documentation |
| NSX | 4.x | Any | CVE-2023-20868 | N/A | N/A | Unaffected | None | None |
| NSX-T | 3.2.x | Any | CVE-2023-20868 | None | None | |||
| NSX-T | 3.1.x, 3.0.x | Any | CVE-2023-20868 | N/A | N/A | Unaffected | None | None |
| Cloud Foundation (NSX-T) | 4.5.x | Any | CVE-2023-20868 | None | ||||
| Cloud Foundation (NSX-T) | 4.4.x, 4.3.x | Any | CVE-2023-20868 | N/A | N/A | Unaffected | None | None |
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://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.
6. Contact
E-mail list for product security notifications and announcements:
https://lists.vmware.com/cgi-bin/mailman/listinfo/security-announce
This Security Advisory is posted to the following lists:
E-mail: [email protected]
PGP key at:
VMware Security Advisories
https://www.vmware.com/security/advisories
VMware Security Response Policy
https://www.vmware.com/support/policies/security_response.html
VMware Lifecycle Support Phases
https://www.vmware.com/support/policies/lifecycle.html
VMware Security & Compliance Blog
https://blogs.vmware.com/security
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