CVE-2021-22144

MediumCVSS 6.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-674

Affected software

No affected versions have been published.

Timeline

Published: Jul 26, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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