Threatline

Researchers Sound Alarm on Active Attacks Exploiting Critical Zimbra Postjournal Flaw

Cybersecurity researchers are warning about active exploitation attempts targeting a newly disclosed security flaw in Synacor's Zimbra Collaboration. Enterprise security firm Proofpoint said it began observing the activity starting September 28, 2024. The attacks seek to exploit CVE-2024-45519, a severe security flaw in its postjournal service that could enable unauthenticated attackers to