CVE-2021-22144
MEDIUM5.7EPSS 0.21%Denial of Service in Elasticsearch
Published: 8/9/2021Modified: 4/3/2025
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.
Affected packages (2)
- Bitnami/elasticsearchfrom 0, < 6.8.17, >= 7.0.0, < 7.13.3
- Maven/org.elasticsearch:elasticsearchfrom 0, < 6.8.17
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.7 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-22144
- WEBhttps://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278100
- WEBhttps://security.netapp.com/advisory/ntap-20210827-0006
- WEBhttps://security.netapp.com/advisory/ntap-20210827-0006/
- WEBhttps://www.oracle.com/security-alerts/cpuapr2022.html