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