CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCVE-2021-22144
Medium (6.5). EPSS 2.4% chance of exploitation in the next 30 days. Fixed in org.elasticsearch:elasticsearch 6.8.17, 7.13.3.
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.
Severity
- EPSS
- 2.4% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
- CWE
- CWE-674
- Published
- Modified
- Record from
- the NVD, synced
Affected
- elastic:elasticsearch
- oracle:communications_cloud_native_core_automated_test_suite
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-3393-hvrj-w7v3 | Maven | org.elasticsearch:elasticsearch | <6.8.17 | 6.8.17 |
| GHSA-3393-hvrj-w7v3 | Maven | org.elasticsearch:elasticsearch | >=7.0.0-alpha1 <7.13.3 | 7.13.3 |
References
- https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278100
- https://security.netapp.com/advisory/ntap-20210827-0006/
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278100
- https://security.netapp.com/advisory/ntap-20210827-0006/