VMware Security Advisory for ESXi 6.0 and 5.5

Vmware released a new security advisory today advising that ESXi versions 6.0 and 5.5 are vulnerable to Cross-Site Scripting (XSS).  The details of the advisory can be found below as well as the current solution.

Advisory ID: VMSA-2016-0023

Severity:    Important

Synopsis:    VMware ESXi updates address a cross-site

scripting issue

Issue date:  2016-12-20

Updated on:  2016-12-20 (Initial Advisory)

CVE number:  CVE-2016-7463

  1. Summary

VMware ESXi updates address a cross-site scripting issue.


  1. Relevant Releases

VMware vSphere Hypervisor (ESXi)


  1. Problem Description
  1. Host Client stored cross-site scripting issue


The ESXi Host Client contains a vulnerability that may allow for

stored cross-site scripting (XSS). The issue can be introduced by

an attacker that has permission to manage virtual machines through

ESXi Host Client or by tricking the vSphere administrator to import

a specially crafted VM. The issue may be triggered on the system

from where ESXi Host Client is used to manage the specially crafted


VMware advises not to import VMs from untrusted sources.

VMware would like to thank Caleb Watt (@calebwatt15) for reporting

this issue to us.

The Common Vulnerabilities and Exposures project (cve.mitre.org) has

assigned the identifier CVE-2016-7463 to this issue.


Column 4 of the following table lists the action required to

remediate the vulnerability in each release, if a solution is


VMware  Product Running             Replace with/

Product Version on       Severity    Apply Patch*        Workaround

======= ======= =======  ========   =============        ==========

ESXi     6.5    ESXi

N/A        not affected           N/A

ESXi     6.0    ESXi

Important  ESXi600-201611102-SG   None

ESXi     5.5    ESXi

Important  ESXi550-201612102-SG   None

*The fling version which resolves this issue is 1.13.0.


  1. Solution

Please review the patch/release notes for your product and

version and verify the checksum of your downloaded file.


ESXi 6.0







ESXi 5.5







  1. References


Source: http://www.vmware.com/security/advisories/VMSA-2016-0023.html

Leave a Reply