The python-qpid client (common/rpc/implqpid.py) in OpenStack Oslo before 2013.2 does not enforce SSL connections when qpidprotocol is set to ssl, which allows remote attackers to obtain sensitive information by sniffing the network.
The notifier middleware in OpenStack PyCADF 0.5.0 and earlier, Telemetry (Ceilometer) 2013.2 before 2013.2.4 and 2014.x before 2014.1.2, Neutron 2014.x before 2014.1.2 and Juno before Juno-2, and Oslo allows remote authenticated users to obtain XAUTHTOKEN values by reading the message queue (v2/meters/http.request).