CVE-2018-0457: Cisco Webex Meetings Online

Medium severity, CVSS 5.5. EPSS: 1.7% chance of exploitation in the next 30 days.

A vulnerability in the Cisco Webex Player for Webex Recording Format (WRF) files could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. An attacker could exploit this vulnerability by sending a user a link or email attachment with a malicious WRF file and persuading the user to open the file in the Cisco Webex Player. A successful exploit could cause the affected player to crash, resulting in a DoS condition. For more information about this vulnerability, see the Details section of this security advisory.

Affected products

• Cisco Webex Meetings Online: version t31 only; version t32 only

Published 2018-10-05. Last modified 2026-06-17.