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UC Software - Heap Based Buffer Overflow

Vulnerability Summary

A vulnerability was discovered in the firmware build 4.1.0 and 4.1.1 of the SoundStation IP 5000.  This flaw allows code execution, which can then allow privilege escalation.



CVE 2022-38464 – UC Software Heap-based Buffer Overflow

There is a buffer overflow vulnerability present in the handling of certain SIP messages.  Exploitation of this vulnerability allows code execution and can lead to privilege escalation. 


Last Update: 12/16/2022
Initial Public Release: 12/16/2022
Advisory ID:  PLYVC22-01

CVE ID: CVE-2022-38464
CVSS Score: 8.3

Product Affected
VVX 101, 150, 201, 250, 300, 311, 350, 401, 411, 450, 501, 601

Prior to UC Software 6.4.3

Poly UC Software 6.4.3
CCX 400, 500, 600, 700

Prior to UC Software 8.0.0

UC Software 8.0.0
Trio 8300, 8500, 8800, C60 Prior to respective fix version Trio 8500/8000 – UC Software 7.2.3
Trio 8300/C60 – UC Software 8.0.0
SoundStation IP 5000, 6000, 7000 Poly UC Software 4.1.0 and 4.1.1  Poly UC Software 4.0.16

Poly recommends customers upgrade to the respective firmware build or later as identified in the Products Affected table.



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 Exodus Intelligence for reporting security vulnerabilities to us and for their coordinated disclosure.

Revision History
1.0 12/16/2022 Initial Release

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