Attackers are actively exploiting a critical vulnerability in mail servers sold by Zimbra in an attempt to remotely execute malicious commands that install a backdoor, researchers warn. The ...

Technical details have emerged on a high-severity vulnerability affecting certain versions of the Zimbra email solution that hackers could exploit to steal logins without authentication or user ...

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 ...