CVE-2021-39235 json
Access mode of block tokens are not enforced
published 2021-11-19 4 y ago modified 2026-06-17 4 mo ago also GHSA-c6j7-4fr9-c76p , EUVD-2021-2333
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
In Apache Ozone before 1.2.0, Ozone Datanode doesn't check the access mode parameter of the block token. Authenticated users with valid READ block token can do any write operation on the same block.
Patch / fix
- maven org.apache.ozone:ozone-main 1.2.0
- apache ozone 1.2.0
Exploit prediction
1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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
- Weakness
-
- CWE-732 Incorrect Permission Assignment for Critical Resource
References
-
mail-archives.apache.org
/mod_mbox/ozone-dev/202111.mbox/%3C93f88246-4320-7423-0dac-ec7a07f47455%40apache.org%3E
web, mailing-list, vendor-advisory
-
openwall.com
/lists/oss-security/2021/11/19/6
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-39235
advisory
-
github.com
/apache/ozone
package
Sources
- CVE List CVE-2021-39235
- GitHub Advisory GHSA-c6j7-4fr9-c76p
- NVD CVE-2021-39235
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