CVE-2020-13940

Name of the Vulnerable Software and Affected Versions Apache NiFi versions 1.0.0 through 1.11.4

Description The issue allows trusted administrators to inadvertently configure a potentially malicious XML file, which can make external calls to services via XXE.

Recommendations For Apache NiFi versions 1.0.0 through 1.11.4, consider restricting access to the notification service manager and policy authorizer to minimize the risk of exploitation. As a temporary workaround, avoid using potentially malicious XML files until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.