CVE-2021-39234

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.41% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 72.2% of scored records. A rank, not a probability.

NVD base score

6.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-11-19 09:20Z4 YR AGO

Last updated

2024-08-04 01:58Z2 YR AGO

Reserved

2021-08-17

Assigning CNA

apache

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-863Incorrect AuthorizationClass

Data version

5.1

Document digest

fed5d51380172e67dbadd8b0d4a8d569d1b6e1571c0d3bf7cd171f360594279f

• mail-archives.apache.orghttps://mail-archives.apache.org/mod_mbox/ozone-dev/202111.mbox/%3C97d65498-7f8c-366f-1bea-5a74b6378f0d%40apache.org%3Ex_refsource_MISC
• www.openwall.com[oss-security] 20211118 CVE-2021-39234: Apache Ozone: Raw block data can be read bypassing ACL/authorizationhttp://www.openwall.com/lists/oss-security/2021/11/19/5mailing-listx_refsource_MLIST