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Status published
Medium
CVE-2021-39235
Access mode of block tokens are not enforced
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Apache Ozone would like to thank Marton Elek for reporting this issue.
References
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Affected Vendor
Apache Software Foundation
View all reports →Affected Software
Apache Ozone
Vulnerable Versions:
1.0
Timeline
Official Publish:
November 19th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N