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Cisco WebEx Training Center Registered Attendee Email Enumeration Vulnerability

Cisco-SA-20131213-CVE-2013-6968 · Medium · Published · Updated

A vulnerability in the training registration page in Cisco WebEx Training Center could allow an unauthenticated, remote attacker to enumerate email addresses of registered attendees. The vulnerability is due to registration error messages that allow a user to determine that an email address supplied during registration has already been specified by another registered attendee. An attacker could exploit this vulnerability by submitting multiple registration requests and viewing the resulting error messages to determine which email addresses have been submitted by other registered attendees. Cisco has confirmed the vulnerability in a security notice; however, software updates are not available. To exploit this vulnerability, it is likely that an attacker would need access to trusted, internal networks in which the targeted device may reside, to submit registration request and also view the error messages. This access requirement reduces the possibility of a successful exploit. Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.

Cisco advisory · CSAF JSON

Workarounds

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 may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.

Administrators are advised to monitor affected systems.

CVEsCVE-2013-6968
Cisco Bug IDsCSCul36003
CVSS ScoreBase 5.0
Base 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N/E:F/RL:U/RC:C
Product Names From Source
Cisco WebEx Training Center

Related Products

Product CVE Evidence
Cisco WebEx Training Center CVE-2013-6968 Cisco OpenVuln