Description
In Apache NiFi 1.0.0 to 1.11.4, the notification service manager and various policy authorizer and user group provider objects allowed trusted administrators to inadvertently configure a potentially malicious XML file. The XML file has the ability to make external calls to services (via XXE).
Remediation
References
https://nifi.apache.org/security#CVE-2020-13940
Related Vulnerabilities
CVE-2017-3165 Vulnerability in maven package org.apache.brooklyn:brooklyn-jsgui
CVE-2018-1051 Vulnerability in maven package org.jboss.resteasy:resteasy-yaml-provider
CVE-2019-10422 Vulnerability in maven package org.ukiuni.callotherjenkins:call-remote-job-plugin
CVE-2023-32071 Vulnerability in maven package org.xwiki.platform:xwiki-platform-web-templates