CVE-2017-8444: Elasticsearch Cloud Enterprise

Medium severity, CVSS 5.9. EPSS: 0.6% chance of exploitation in the next 30 days.

The client-forwarder in Elastic Cloud Enterprise versions prior to 1.0.2 do not properly encrypt traffic to ZooKeeper. If an attacker is able to man in the middle (MITM) the traffic between the client-forwarder and ZooKeeper they could potentially obtain sensitive data.

Affected products

• Elasticsearch Cloud Enterprise: version 1.0.0 only; version 1.0.1 only

Published 2017-09-29. Last modified 2026-06-17.