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CVE-2021-20318

7.2 · HIGH

The HornetQ component of Artemis in EAP 7 was not updated with the fix for CVE-2016-4978.

Published Dec 23, 2021CWE-502EPSS 1.76%

Overview

CVE-2021-20318 is a high-severity vulnerability. It was published on December 23, 2021 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The HornetQ component of Artemis in EAP 7 was not updated with the fix for CVE-2016-4978. A remote attacker could use this flaw to execute arbitrary code with the permissions of the application using a JMS ObjectMessage.

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

Refbugzilla.redhat.com/show_bug.cgi?id=2010559Refbugzilla.redhat.com/show_bug.cgi?id=2010559

How CyberStrike helps

Frequently asked questions

What is CVE-2021-20318?

CVE-2021-20318 is a high-severity vulnerability. It was published on December 23, 2021 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2021-20318?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-20318?

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-2021-20318?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-20318 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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