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CCX - UI does not properly restrict User

Vulnerability Summary

A vulnerability in the local user interface of the CCX500 phones could allow a local attacker access to restricted device settings. The vulnerability is due to a lack of restrictions on some device settings. A successful exploit could allow the local attacker to enable restricted options or change persistent system configuration settings.


Last Update: 3/8/2022
Initial Public Release: 1/22/2020
Advisory ID:  PLYVC20-02

CVSS Score: 7.3

Product Affected
CCX 400 and prior

UCS_CCX_5.9.12.1111 and above
CCX 500 and prior

UCS_CCX_5.9.12.1111 and above
CCX 600 and prior

UCS_CCX_5.9.12.1111 and above
CCX 700 and prior

UCS_CCX_5.9.12.1111 and above

Poly has released a software update that addresses this vulnerability. There are no workarounds that address this vulnerability. CCX500 devices running software version should be updated to at least UCS_CCX_5.9.12.1111, which can be downloaded on Poly Support



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.


Revision History
1.0 1/22/2020 Initial Release
2.0 3/8/2022 Format changes

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