CVE-2021-39235

medium

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.

References

https://mail-archives.apache.org/mod_mbox/ozone-dev/202111.mbox/%3C93f88246-4320-7423-0dac-ec7a07f47455%40apache.org%3E

http://www.openwall.com/lists/oss-security/2021/11/19/6

Details

Source: Mitre, NVD

Published: 2021-11-19

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

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

Severity: Medium

EPSS

EPSS: 0.0041