Threat Actors Exploiting Multiple Vulnerabilities Against Zimbra Collaboration Suite

CISA and the Multi-State Information Sharing & Analysis Center (MS-ISAC) have released a joint Cybersecurity Advisory (CSA) in response to active exploitation of multiple vulnerabilities against Zimbra Collaboration Suite (ZCS), an enterprise cloud-hosted collaboration software and email platform. 

CISA and MS-ISAC encourage users and administrators review Threat Actors Exploiting Multiple CVEs Against Zimbra Collaboration Suite for more information and apply the recommended mitigations.