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QDX 6000 - Improper Neutralization of Input During Web Page Generation & Cross-Site Request Forgery

Vulnerability Summary

A stored cross site scripting (XSS) vulnerability has been discovered in the web application functionality of Polycom’s QDX 6000 endpoint. This vulnerability could allow a remote attacker to execute arbitrary Javascript on QDX client users’ web browsers.

In addition, a cross site request forgery (CSRF) vulnerability has been discovered in QDX’s web application interface. If a user who is currently logged into the QDX were to point their browser to an attacker-controlled website that contains the CSRF attack, this vulnerability could allow the attacker to change arbitrary configuration settings on the QDX.  



CVE 2018-7564 – QDX 6000 Stored XSS
Stored XSS exists on Poly QDX 6000 devices.


CVE 2018-7565 – QDX 6000 CSRF
CSRF exists on Poly QDX 6000 devices.


Poly released a firmware update to address this vulnerability.  There is no workaround.


Last Update: 3/14/2022
Initial Public Release: 3/14/2022
Advisory ID:  PLYTV18-02

CVE ID: CVE-2018-7564
CVSS Score: 6.1


CVE ID: CVE- 2018-7565
CVSS Score: 8.8

Product Affected
QDX 6000

4.0.2 and prior

End of Support

QDX 6000 is no longer supported by Poly, and no code updates are planned for fixing these vulnerabilities. Instead, Poly recommends applying the mitigations listed below or updating to a supported product such as Poly Group Series endpoints.



Poly recommends following standard best practices for Unified Communications, as detailed in our best practices paper.

In addition, Poly recommends:

  1. Enabling security mode: This can be done by going to the QDX web UI > admin settings > general settings > check the box for “security mode”, and then clicking on the “update” button.
  2. Disabling web remote access: This can be done by going to the QDX web UI > admin settings > general settings > uncheck the box for “Web” under “Enable Remote Access”, and then clicking the “update” button.

Any customer using an affected system who is concerned about this vulnerability within their deployment should contact Poly Technical Support(888) 248-4143, (916) 928-7561, or visit the Poly Support Site.



Poly would like to thank Bhaskar Borman from @BhaskarBorman on Twitter for reporting security vulnerabilities to us and for their coordinated disclosure.

Revision History
1.0 3/2/2018 Initial Release
2.0 3/14/2022 Format Changes

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