{"id":"CVE-2021-22144","aliases":["BIT-elasticsearch-2021-22144","EUVD-2021-1526","GHSA-3393-hvrj-w7v3","UBUNTU-CVE-2021-22144"],"status":"published","title":"Denial of Service in Elasticsearch","description":"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. 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Party Advisory","advisory","fix","web"]},{"url":"https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278100","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory","web"]},{"url":"https://security.netapp.com/advisory/ntap-20210827-0006/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22144","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-3393-hvrj-w7v3"},{"url":"https://security.netapp.com/advisory/ntap-20210827-0006","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2021-22144","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-22144","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-22144","description":"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. 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A user with the ability to submit arbitrary queries to Elasticsearch could create a malicious Grok query that will crash the Elasticsearch node.","status":"published","published":"2021-07-26T11:48:40Z","modified":"2024-08-03T18:37:17Z","updated_at":"2026-11-03T03:25:03.638882Z"}],"ghsa":[{"id":"GHSA-3393-hvrj-w7v3","title":"Denial of Service in Elasticsearch","description":"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.","status":"published","published":"2021-08-09T20:41:17Z","modified":"2023-01-27T05:05:28Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:36:21.8171Z"}],"nvd":[{"id":"CVE-2021-22144","description":"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.","status":"published","published":"2021-07-26T12:15:08.547Z","modified":"2026-06-17T03:36:41.67Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:06:56.185362Z"}],"osv":[{"id":"CVE-2021-22144","description":"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. 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A user with the ability to submit arbitrary queries to Elasticsearch could create a malicious Grok query that will crash the Elasticsearch node.","status":"published","published":"2021-08-09T20:41:17Z","modified":"2024-02-20T05:51:41.030295Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T15:46:35.050232Z"},{"id":"UBUNTU-CVE-2021-22144","description":"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. 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