CRLF injection vulnerability in Cybozu Garoon 3.1 through 3.5 SP5, when Phone Messages forwarding is enabled, allows remote authenticated users to inject arbitrary e-mail headers via unspecified vectors.
https://support.cybozu.com/ja-jp/article/6121
http://jvndb.jvn.jp/jvndb/JVNDB-2013-000116