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-2022-2237 Vulnerability in npm package keycloak-connect
CVE-2016-3092 Vulnerability in maven package org.apache.tomcat.embed:tomcat-embed-core
CVE-2019-8331 Vulnerability in maven package org.webjars.bower:bootstrap
CVE-2023-46655 Vulnerability in maven package org.jenkins-ci.plugins:electricflow
CVE-2019-7611 Vulnerability in maven package org.elasticsearch:elasticsearch