The server in Cybozu Garoon before 3.7 SP1 allows remote attackers to cause a denial of service (CPU consumption) via unspecified vectors.
https://support.cybozu.com/ja-jp/article/6571
http://products.cybozu.co.jp/garoon/download/update/gr3/fix371sp1.html
http://jvndb.jvn.jp/jvndb/JVNDB-2013-000115