CVE-2018-18568

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-10-24 · updated 2026-06-17
Weakness: CWE-295

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.

Affected products

Polycom Unified Communications Software: through 5.8.0.12848
Polycom Vvx 500 Firmware: all versions
Polycom Vvx 601 Firmware: all versions

References

https://seclists.org/bugtraq/2018/Oct/36
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2018-027.txt
https://seclists.org/bugtraq/2018/Oct/36
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2018-027.txt

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