Important Information Regarding Roundcube Vulnerability (CVE-2016-9920)
A vulnerability of Roundcube (CVE-2016-9920) has been revealed where remote code execution could be performed via command injection. However, after further investigation, it has been confirmed that Synology NAS will remain unaffected as long as no manual modification was made to the configuration file of Mail Station.
For precautionary purposes, a newer version of Mail Station will be released to address this issue.
Synology will release a Mail Station update to address this issue in the coming weeks.