Barracuda Spam Firewall (BSF), possibly 3.3.03.053, contains a hardcoded password for the admin account for logins from 127.0.0.1 (localhost), which allows local users to gain privileges.
archives.neohapsis.com/archives/fulldisclosure/2006-08/0110.html
secunia.com/advisories/21258
securityreason.com/securityalert/1363
www.kb.cert.org/vuls/id/199348
www.osvdb.org/29780
www.securityfocus.com/archive/1/442249/100/0/threaded
www.securityfocus.com/bid/19276
exchange.xforce.ibmcloud.com/vulnerabilities/28235