CVE-2021-26118 : Security Advisory and Response
Learn about CVE-2021-26118, a vulnerability in ActiveMQ Artemis OpenWire support allowing unauthorized message production. Upgrade to version 2.16.0 to secure your systems.
A detailed overview of CVE-2021-26118, a flaw in ActiveMQ Artemis OpenWire support, affecting Apache ActiveMQ Artemis versions less than 2.16.0.
Understanding CVE-2021-26118
CVE-2021-26118 involves a vulnerability in the OpenWire support of Apache ActiveMQ Artemis 2.15.0, allowing bypassing of policy-based access control for advisory messages.
What is CVE-2021-26118?
The flaw in Apache ActiveMQ Artemis enables the creation of advisory messages in the OpenWire protocol header without proper access control, affecting the entire session.
The Impact of CVE-2021-26118
This vulnerability can lead to unauthorized production of advisory messages as they are not subject to access control, potentially compromising the security of systems utilizing the affected versions.
Technical Details of CVE-2021-26118
Vulnerability Description
The flaw in ActiveMQ Artemis 2.15.0 allows the creation of advisory messages in the OpenWire protocol header bypassing policy-based access control.
Affected Systems and Versions
Apache ActiveMQ Artemis versions prior to 2.16.0 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this flaw by manipulating advisory messages in the OpenWire protocol to gain unauthorized access.
Mitigation and Prevention
Immediate Steps to Take
Users are advised to upgrade to Apache ActiveMQ Artemis version 2.16.0 to mitigate this vulnerability.
Long-Term Security Practices
Regularly monitor security advisories from Apache ActiveMQ and apply patches promptly to ensure system security.
Patching and Updates
Stay updated with the latest security updates and patches released by Apache Software Foundation to address vulnerabilities like CVE-2021-26118.