CVE-2021-39234 json
Raw block data can be read bypassing ACL/authorization
published 4y ago modified 4mo ago also GHSA-c8cw-2c5j-xff3 , EUVD-2021-2334
- cvss
- 6.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
In Apache Ozone versions prior to 1.2.0, Authenticated users knowing the ID of an existing block can craft specific request allowing access those blocks, bypassing other security checks like ACL.
Patch / fix
- maven org.apache.ozone:ozone-main 1.2.0
- apache ozone 1.2.0
Is CVE-2021-39234 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.41% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.8 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 4.9 | AV:N/AC:M/Au:S/C:P/I:P/A:N |
| GitHub | 3.1 | 6.8 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apache.ozone:ozone-main | <1.2.0 |
1.2.0 |
Affected products
- Apache Software Foundation Apache Ozone
Classification
References
-
mail-archives.apache.org
/mod_mbox/ozone-dev/202111.mbox/%3C97d65498-7f8c-366f-1bea-5a74b6378f0d%40apache.org%3E
web, mailing-list, vendor-advisory
-
openwall.com
/lists/oss-security/2021/11/19/5
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-39234
advisory
Sources
- CVE List CVE-2021-39234
- GitHub Advisory GHSA-c8cw-2c5j-xff3
- NVD CVE-2021-39234
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.