Unpatched Zimbra flaw under attack is letting hackers backdoor servers Search Engine Unpatched Zimbra flaw under attack is letting hackers backdoor servers Malcom October 8, 2022 An unpatched code-execution vulnerability in the Zimbra Collaboration software package is underneath energetic exploitation by attackers applying... Read More Read more about Unpatched Zimbra flaw under attack is letting hackers backdoor servers