CVE-2021-22144

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductElasticsearch
PublishedJul 26, 2021
First seenJul 26, 2021

How to fix

Update
  • elastic elasticsearch6.8.17, 7.13.3 or later
  • org.elasticsearch:elasticsearch6.8.17, 7.13.3 or later

Affected products

ProductAffected versionsFixed in
elastic elasticsearchv < 6.8.17, 7.0.0 ≤ v < 7.13.36.8.17, 7.13.3
oracle communications_cloud_native_core_automated_test_suite1.8.0—
org.elasticsearch:elasticsearchMavenv < 6.8.17, 7.0.0-alpha1 ≤ v < 7.13.36.8.17, 7.13.3

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2021-22144 · Elasticsearch · Dark Radar