Certain HP Access Controller, Fabric Module, Firewall, Router, Switch, and UTM Appliance products; certain HP 3Com Access Controller, Router, and Switch products; certain HP H3C Access Controller, Firewall, Router, Switch, and Switch and Route Processing Unit products; and certain Huawei Firewall/Gateway, Router, Switch, and Wireless products do not properly implement access control as defined in h3c-user.mib 2.0 and hh3c-user.mib 2.0, which allows remote authenticated users to discover credentials in UserInfoEntry values via an SNMP request with the read-only community.
http://www.securitytracker.com/id?1027694
http://www.securityfocus.com/bid/56183
http://www.kb.cert.org/vuls/id/MORO-8ZDJDP
http://www.kb.cert.org/vuls/id/225404
http://grutztopia.jingojango.net/2012/10/hph3c-and-huawei-snmp-weak-access-to.html