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CRITICAL severity

CVE-2021-39233 — ozone-main

CRITICAL

CVE-2021-39233 is a critical-severity (CVSS 9.1) Missing Authentication vulnerability in org.apache.ozone:ozone-main. A fix is available for org.apache.ozone:ozone-main — see the affected versions and patch details below.

Incorrect Authorization in Apache Ozone

Also known asGHSA-33xh-xch9-p6hj
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
2.4%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs83th percentile — riskier than 83% of all scored CVEsHighest risk
0.13%1.05%1.97%2.89%1.2%2.4%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2021-39233 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,738 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
☕org.apache.ozone:ozone-main

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

In Apache Ozone versions prior to 1.2.0, Container related Datanode requests of Ozone Datanode were not properly authorized and can be called by any client.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.apache.ozone:ozone-mainall versions1.2.0org.apache.ozone:ozone-main:1.2.0

Affected Products

1 product · 1 configurations
Application
ozoneapache
< 1.2.0
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.ozone:ozone-main, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.apache.ozone:ozone-main to 1.2.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2021-39233 is resolved across your whole dependency graph.

  3. Workarounds

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

In Apache Ozone versions prior to 1.2.0, Container related Datanode requests of Ozone Datanode were not properly authorized and can be called by any client.
O3 Security · Impact-Aware SCA

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CVE-2021-39233: ozone-main — Fixed in 1.2.0