The Zimbra security team urged customers to patch a critical vulnerability affecting the Classic Web Client used to access ...

Two bugs, now patched except in older versions, could be chained to allow attackers to hijack Zimbra server by simply sending a malicious email. Zimbra webmail server has two flaws that could let an ...

An authentication bypass Zimbra security vulnerability is actively exploited to compromise Zimbra Collaboration Suite (ZCS) email servers worldwide. Zimbra is an email and collaboration platform used ...

Attackers are actively targeting a severe remote code execution vulnerability that Zimbra recently disclosed in its SMTP server, heightening the urgency for affected organizations to patch vulnerable ...

ESET researchers have uncovered a mass-spreading phishing campaign, aimed at collecting Zimbra account users’ credentials, active since at least April 2023 and still ongoing. Zimbra Collaboration is ...

Free e-mail and calendar software Zimbra Desktop works online or off and doesn’t limit e-mail storage. If you’re looking for an alternative to Microsoft Outlook–or simply an email ...

Administrators running Zimbra servers are being warned to update their systems with the "pax" utility by researchers, who have observed cyberattackers actively attempting to exploit a known flaw.

When successful, attacks install a backdoor. Getting it to work reliably is another matter. "Zimbra" - I haven't heard that one in a while now. I'm a bit surprised they've survived the great migration ...