CVE-2018-18568

MEDIUM

Polycom Unified Communications Software < 5.8.0.12848 - Improper Certificate Validation

Title source: rule

Description

Polycom VVX 500 and 601 devices 5.8.0.12848 and earlier allows man-in-the-middle attackers to obtain sensitive credential information by leveraging failure to validate X.509 certificates when used with an on-premise installation with Skype for Business.

References (2)

Core 2

Core References

Exploit, Third Party Advisory x_refsource_misc

https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2018-027.txt

Exploit, Mailing List, Third Party Advisory mailing-list x_refsource_bugtraq

https://seclists.org/bugtraq/2018/Oct/36

Scores

CVSS v3 5.9

EPSS 0.0073

EPSS Percentile 49.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE

CWE-295

Status published

Products (3)

polycom/unified_communications_software < 5.8.0.12848

polycom/vvx_500_firmware

polycom/vvx_601_firmware

Published Oct 24, 2018

Tracked Since Feb 18, 2026