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-2022-24728 Vulnerability in maven package org.webjars.bowergithub.ckeditor:ckeditor4
CVE-2021-20195 Vulnerability in maven package org.keycloak:keycloak-core
CVE-2018-1000409 Vulnerability in maven package org.jenkins-ci.main:jenkins-core
CVE-2023-29216 Vulnerability in maven package org.apache.linkis:linkis-common
CVE-2020-13935 Vulnerability in maven package org.apache.tomcat:tomcat-coyote