CVE-2021-39231Missing authentication/authorization on internal RPC endpoints
- 9.1CriticalCVSS base score
- 2.4%Exploitation in 30 daysEPSS · top 16% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By apache
- 3 months later
· 3 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 2.4% · top 16% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.1.
Affected products
Apache Software Foundation · Apache Ozone
- affected 1.0 – ≤ 1.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.apache.ozone:ozone-mainGHSA-3w5h-x4rh-hc28 (opens in a new tab)
What to do
Workaround: Upgrade to Apache Ozone release version 1.2.0
References
References2
- https://mail-archives.apache.org/mod_mbox/ozone-dev/202111.mbox/%3C110cd117-75ed-364b-cd38-3effd20f2183%40apache.org%3E (opens in a new tab)x_refsource_MISCx_transferred
- [oss-security] 20211118 CVE-2021-39231: Apache Ozone: Missing authentication/authorization on internal RPC endpoints (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-2288 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-3w5h-x4rh-hc28 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-39231)Record last updated .