CVE-2017-12359: Cisco Webex Meeting Center

Medium severity, CVSS 6.5. EPSS: 1.7% chance of exploitation in the next 30 days.

A Buffer Overflow vulnerability in Cisco WebEx Network Recording Player for Advanced Recording Format (.arf) files could allow an attacker to execute arbitrary code on a system. An attacker could exploit this vulnerability by providing a user with a malicious .arf file via email or URL and convincing the user to launch the file. Exploitation of this vulnerability could allow arbitrary code execution on the system of the targeted user. This vulnerability affects Cisco WebEx Business Suite meeting sites, Cisco WebEx Meetings sites, Cisco WebEx Meetings Server, and Cisco WebEx ARF players. Cisco Bug IDs: CSCve10729, CSCve10771, CSCve10779, CSCve11521, CSCve11543.

Affected products

• Cisco Webex Meeting Center: version t29 only; version t30 only; version t31 only; version t32 only
• Cisco Webex Meetings Server: version 2.6.0 only; version 2.7.0 only

Published 2017-11-30. Last modified 2026-06-17.