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VVX 410 / VVX 411 - Multiple Vulnerabilities

Vulnerability Summary

Multiple vulnerabilities were discovered in VVX 410 (fw: and VVX 411 (fw: utilizing Better Together over Ethernet (BToE) application 4.4.0.



CVE 2020-12871 Poly VVX 410 and 411 allow unauthenticated access to the BToE service via the SSH protocol.

CVE 2020-13635 A vulnerability in the Poly VVX 410 and 411 allows an unlimited number of failed authentication pairing code attempts.

CVE 2020-13636 The Poly VVX 411 is vulnerable to Authentication Bypass in Automatic Pairing Mode


Last Update: 6/27/2023
Initial Public Release: 6/27/2023
Advisory ID:  PLYVC20-05

CVE ID: CVE-2020-12871
CVSS Score: 6.5

CVE ID: CVE-2020-13635
CVSS Score: 6.5

CVE ID: CVE-2020-13636
CVSS Score: 6.5


Product Affected
VVX 101, VVX 150, VVX 201, VVX 250, VVX 301, VVX 311, VVX 350, VVX 401, VVX 411, VVX 450, VVX 501, VVX 601

Prior to UC Software 6.3.1 AE

Poly UC Software 6.3.1 AE (split)

Poly recommends customers utilizing BToE with the identified VVX phones upgrade to the respective firmware build or later.



There is no workaround.


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 the Competence Center for IT-Security from FZI Research Center for Information Technology for reporting security vulnerabilities to us and for their coordinated disclosure.

Revision History
1.0 6/27/2023 Initial Release

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