{"id":"BIT-elasticsearch-2025-37731","summary":"Elasticsearch Improper Authentication","details":"Improper Authentication in Elasticsearch PKI realm can lead to user impersonation via specially crafted client certificates. A malicious actor would need to have such a crafted client certificate signed by a legitimate, trusted Certificate Authority.","aliases":["CVE-2025-37731","GHSA-m9gh-789g-q5pv"],"modified":"2026-09-08T08:47:32.965907586Z","published":"2025-12-18T11:37:43.121Z","database_specific":{"cpes":["cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:maven:*:*"],"severity":"High"},"references":[{"type":"ADVISORY","url":"https://discuss.elastic.co/t/elasticsearch-8-19-8-9-1-8-and-9-2-2-security-update-esa-2025-27/384063"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-37731"}],"affected":[{"package":{"name":"elasticsearch","ecosystem":"Bitnami","purl":"pkg:bitnami/elasticsearch"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.19.8"},{"introduced":"9.0.0"},{"fixed":"9.1.8"},{"introduced":"9.2.0"},{"fixed":"9.2.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/elasticsearch/BIT-elasticsearch-2025-37731.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}],"schema_version":"1.9.0"}