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CVE-2021-39231

9.1 · CRITICAL

In Apache Ozone versions prior to 1.2.0, Various internal server-to-server RPC endpoints are available for connections, making it possible for an attacker to download raw data from Datanode and Ozo…

Published Nov 19, 2021CWE-862EPSS 2.37%

Overview

CVE-2021-39231 is a critical-severity vulnerability. It was published on November 19, 2021 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In Apache Ozone versions prior to 1.2.0, Various internal server-to-server RPC endpoints are available for connections, making it possible for an attacker to download raw data from Datanode and Ozone manager and modify Ratis replication configuration.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.openwall.com/lists/oss-security/2021/11/19/2Refmail-archives.apache.org/mod_mbox/ozone-dev/202111.mbox/%3C110cd117-75ed-364b-cd38-3effd20f2183%40apache.org%3ERefwww.openwall.com/lists/oss-security/2021/11/19/2Refmail-archives.apache.org/mod_mbox/ozone-dev/202111.mbox/%3C110cd117-75ed-364b-cd38-3effd20f2183%40apache.org%3E

How CyberStrike helps

Frequently asked questions

What is CVE-2021-39231?

CVE-2021-39231 is a critical-severity vulnerability. It was published on November 19, 2021 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2021-39231?

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-39231?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-39231?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-39231 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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