{"id":"BIT-elasticsearch-2021-22144","details":"In Elasticsearch versions before 7.13.3 and 6.8.17 an uncontrolled recursion vulnerability that could lead to a denial of service attack was identified in the Elasticsearch Grok parser. A user with the ability to submit arbitrary queries to Elasticsearch could create a malicious Grok query that will crash the Elasticsearch node.","aliases":["CVE-2021-22144","GHSA-3393-hvrj-w7v3"],"modified":"2026-09-08T08:47:00.609809284Z","published":"2024-03-06T10:53:22.503Z","database_specific":{"cpes":["cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"ADVISORY","url":"https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278100"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210827-0006/"},{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22144"}],"affected":[{"package":{"name":"elasticsearch","ecosystem":"Bitnami","purl":"pkg:bitnami/elasticsearch"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"6.8.17"},{"introduced":"7.0.0"},{"fixed":"7.13.3"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/elasticsearch/BIT-elasticsearch-2021-22144.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.9.0"}