Cisco Jabber Guest Server HTTP URL Redirection Vulnerability

A vulnerability in the Cisco Jabber Guest Server could allow an unauthenticated, remote attacker to initiate connections to arbitrary hosts.

The vulnerability is due to insufficient access control for HTTP traffic directed to the Cisco Jabber Guest Server. An attacker could exploit this vulnerability by sending a crafted URL to the Cisco Jabber Guest Server. An exploit could allow an attacker to connect to arbitrary hosts.

Workarounds that address this vulnerability are not available.

This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161221-jabber[“https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161221-jabber”]