A new Chinese cyber-espionage group has been seen abusing a zero-day vulnerability in the Zimbra collaboration suite to gain access to the email inboxes of European governments and media agencies. The attacks were spotted last month by security firm Volexity, and even if the security firm notified Zimbra on December 16, the company has not yet released a patch for its product. Earlier today, Volexity has released a technical report about the attacks in the hopes to raise awareness of this issue and allow organizations that use a Zimbra email server to review if they have been targeted. Hackers stole…