Elasticsearch versions 7.0.0-7.3.2 and 6.7.0-6.8.3 contain a username disclosure flaw was found in the API Key service. An unauthenticated attacker could send a specially crafted request and determine if a username exists in the Elasticsearch native realm.
{ "nvd_published_at": "2019-10-30T14:15:00Z", "github_reviewed_at": "2022-06-27T14:23:09Z", "severity": "MODERATE", "github_reviewed": true, "cwe_ids": [ "CWE-200" ] }