CVE-2017-12363

A vulnerability in Cisco WebEx Meeting Server could allow an unauthenticated, remote attacker to modify the welcome message of a meeting on an affected system. The vulnerability is due to insufficient security settings on meetings. An attacker could exploit this vulnerability by modifying the welcome message to a meeting. A successful exploit could allow the attacker to modify the welcome message of any known meeting. Cisco Bug IDs: CSCvf68695.

• CWE-264
• CWE-668

• http://www.securityfocus.com/bid/102000Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039921Third Party Advisory, VDB Entry
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex3Vendor Advisory
• http://www.securityfocus.com/bid/102000Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039921Third Party Advisory, VDB Entry
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex3Vendor Advisory

Published

Nov 30, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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