CVE-2021-39235

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-732

Affected software

Vendor	Product	Versions
Apache Software Foundation	Apache Ozone	>= 1.0, <= 1.0

References

http://www.openwall.com/lists/oss-security/2021/11/19/6Mailing List, Third Party Advisory
https://mail-archives.apache.org/mod_mbox/ozone-dev/202111.mbox/%3C93f88246-4320-7423-0dac-ec7a07f47455%40apache.org%3EMailing List, Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/11/19/6Mailing List, Third Party Advisory
https://mail-archives.apache.org/mod_mbox/ozone-dev/202111.mbox/%3C93f88246-4320-7423-0dac-ec7a07f47455%40apache.org%3EMailing List, Vendor Advisory

Timeline

Published: Nov 19, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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