Description
Jenkins Support Core Plugin 2.72 and earlier provides the serialized user authentication as part of the "About user (basic authentication details only)" information, which can include the session ID of the user creating the support bundle in some configurations.
Remediation
References
https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2150
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CVE-2013-4271 Vulnerability in maven package org.restlet:org.restlet