A vulnerability in Cisco WebEx Meetings could allow an unauthenticated, remote attacker to discover the meeting access number. The vulnerability is due to the inclusion of sensitive information in URLs. An attacker could exploit this vulnerability by accessing the web page containing meeting registration information. An exploit could allow the attacker to connect to a WebEx meeting without registering to attend. Cisco has confirmed the vulnerability and released software updates. To exploit this vulnerability, an attacker must first be able to access the web page containing meeting registration information from a targeted device. The attacker may try to acquire this information via social engineering techniques from a targeted user.
The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
Version | Description | Section | Status | Date |
1.0 | Initial Release | NA | Final | 2015-Jun-22 |
THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
A stand-alone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy, and may lack important information or contain factual errors. The information in this document is intended for end-users of Cisco products.