CVE-2018-0379: Cisco Webex Business Suite

High severity, CVSS 7.8. EPSS: 1.8% chance of exploitation in the next 30 days.

Multiple vulnerabilities exist in the Cisco Webex Network Recording Player for Advanced Recording Format (ARF) and Webex Recording Format (WRF) files. An attacker could exploit these vulnerabilities by providing a user with a malicious .arf or .wrf file via email or URL and convincing the user to launch the file in the Webex recording players. Exploitation of these vulnerabilities could allow arbitrary code execution on the system of a targeted user. These vulnerabilities affect ARF and WRF recording players available from Cisco Webex Meetings Suite sites, Cisco Webex Meetings Online sites, and Cisco Webex Meetings Server. Cisco Bug IDs: CSCvi02621, CSCvi02965, CSCvi63329, CSCvi63333, CSCvi63335, CSCvi63374, CSCvi63376, CSCvi63377, CSCvi63391, CSCvi63392, CSCvi63396, CSCvi63495, CSCvi63497, CSCvi63498, CSCvi82684, CSCvi82700, CSCvi82705, CSCvi82725, CSCvi82737, CSCvi82742, CSCvi82760, CSCvi82771, CSCvj51284, CSCvj51294.

Affected products

• Cisco Webex Business Suite: from 31.0, up to and including 31.23; from 32.0, before 32.15 (fixed in 32.15); from 33.0, up to and including 33.2; version 31.23 only; version 32.15 only; version 33.0.6 only; …
• Cisco Webex Meeting Server: version 3.0 only
• Cisco Webex Meetings Online: before 1.3.35 (fixed in 1.3.35); version 1.3.35 only

Published 2018-07-18. Last modified 2026-06-17.