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).
{ "cwe_ids": [ "CWE-611" ], "github_reviewed": true, "github_reviewed_at": "2021-03-29T16:20:14Z", "severity": "MODERATE", "nvd_published_at": "2020-10-01T20:15:00Z" }