Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Elastic | Elasticsearch | < 6.8.17 |
| Oracle | Communications Cloud Native Core Automated Test Suite | 1.8.0 |
Related Weaknesses (CWE)
References
- https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278Release NotesVendor Advisory
- https://security.netapp.com/advisory/ntap-20210827-0006/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatchThird Party Advisory
- https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278Release NotesVendor Advisory
- https://security.netapp.com/advisory/ntap-20210827-0006/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatchThird Party Advisory
FAQ
What is CVE-2021-22144?
CVE-2021-22144 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 th...
How severe is CVE-2021-22144?
CVE-2021-22144 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-22144?
Check the references section above for vendor advisories and patch information. Affected products include: Elastic Elasticsearch, Oracle Communications Cloud Native Core Automated Test Suite.