CVE-2021-22144

score

<0.1

cvss

6.5

epss

2.4%

published

2021-07-26

kev added

—

first seen

2026-10-21

Elasticsearch versions before 7.13.3 and 6.8.17 contain an uncontrolled recursion caused by malicious Grok queries, letting attackers crash the Elasticsearch node, exploit requires ability to submit arbitrary queries.