Zimbra Collaboration Suite RCE flaw is being exploited in attacks
Source headline: Critical Zimbra RCE flaw now actively exploited in attacks
Intelligence Summary
CERT Polska warned that attackers have begun exploiting a critical vulnerability in Zimbra Collaboration Suite (ZCS). The advisory highlights that the flaw is being actively used in real-world attacks. This increases the risk of compromise for systems running ZCS. It is important to treat Zimbra as under threat until mitigations are applied. Review your Zimbra exposure and check for any available fixes or mitigations immediately.
Recommended Action
Inventory where Zimbra Collaboration Suite (ZCS) runs in your environment and treat this as an active remediation item. Until then, watch authentication and outbound traffic logs for the indicators described in the source. This signal rests on a single report, so corroborate it before acting on anything irreversible.