Multiple cross-site request forgery (CSRF) vulnerabilities in unspecified administrative modules in Proofpoint Messaging Security Gateway 6.2.0.263:6.2.0.237 and earlier in Proofpoint Protection Server 5.5.3 5.5.4 5.5.5 6.0.2 6.1.1 and 6.2.0 allow remote attackers to hijack the authentication of administrators via unknown vectors.