What is CVE-2021-41532?

CVE-2021-41532 is a medium-severity vulnerability in Apache Ozone, classified under Information Disclosure. CVSS score: 5.3/10. Published 2021-11-19.

How severe is CVE-2021-41532?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Apache Ozone

CVE-2021-41532

In Apache Ozone before 1.2.0, Recon HTTP endpoints provide access to OM, SCM and Datanode metadata. Due to a bug, any unauthenticated user can access the data from these endpoints.

Vulnerability class: Information Disclosure

Published 2021-11-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.024 (83.8th percentile), scored 2026-10-22.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Apache Ozone
Apache Software Foundation Ozone — versions Everglades (1.1.0)

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

mail-archives.apache.org/mod_mbox/ozone-dev/202111.mbox/<e0bc6598-9669-b897-fc2… (Mailing List, Vendor Advisory)
www.openwall.com/lists/oss-security/2021/11/19/8 (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-41532?: CVE-2021-41532 is a medium-severity vulnerability in Apache Ozone, classified under Information Disclosure. CVSS score: 5.3/10. Published 2021-11-19.
How severe is CVE-2021-41532?: Medium severity. CVSS v3 base score is 5.3 out of 10.