A vulnerability in Cisco WebEx Meetings Server could allow an authenticated, remote attackers to join meetings they have not been authorized to attend or to end meetings for which they are not the host.
The vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted URL request to a vulnerable Cisco WebEx Meetings Server.
Cisco has confirmed the vulnerability; however, software updates are not available.
To exploit this vulnerability, an attacker must authenticate to the targeted device. This access requirement decreases the likelihood of a successful exploit.
Cisco indicates through the CVSS score that proof-of-concept exploit code exists; however, the code is not known to be publicly available.
Customers are advised to consult Cisco bug ID CSCuj42346 for a complete list of affected product versions.
Vulnerable ProductsAt the time this alert was first published, Cisco WebEx Meetings Server versions 1.5 (.1.131) and prior were vulnerable. Later releases of Cisco WebEx Meetings Server may also be vulnerable.
Products Confirmed Not VulnerableNo other Cisco products are currently known to be affected by these vulnerabilities.
Administrators are advised to contact the vendor regarding future updates and releases.
Administrators are advised to allow only trusted users to have network access.
Administrators are advised to monitor affected systems.
Software updates are not available.
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 2014-Jan-29
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