CVE-2021-39231: Apache Ozone

Critical severity, CVSS 9.1. EPSS: 2.4% chance of exploitation in the next 30 days.

In Apache Ozone versions prior to 1.2.0, Various internal server-to-server RPC endpoints are available for connections, making it possible for an attacker to download raw data from Datanode and Ozone manager and modify Ratis replication configuration.

Affected products

• Apache Ozone: before 1.2.0 (fixed in 1.2.0)

Published 2021-11-19. Last modified 2026-06-17.