VulnerabilityModified
CVE-2021-22144
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.
MEDIUM 6.5EPSS 2.18%
Does this matter?
Lower severity and a low EPSS score (2.18%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.18% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-674
- Affected
- elastic/elasticsearch · oracle/communications cloud native core automated test suite
- Source
- security@elastic.co
References
- https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278100Release Notes, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210827-0006/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278100Release Notes, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210827-0006/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.