Vulnerability · Published Jul 26, 2021 · Assigned by elastic
CVE-2021-22144
Medium 6.5
In plain English
A medium-severity security flaw in the org.elasticsearch:elasticsearch package (Maven). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)2.4%top 15.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.elasticsearch:elasticsearch | 6.8.17 | GHSA-3393-hvrj-w7v3 |
| Maven | org.elasticsearch:elasticsearch | 7.13.3 | GHSA-3393-hvrj-w7v3 |
Affected products (as reported)
References
- https://www.oracle.com/security-alerts/cpuapr2022.html x_refsource_MISC
- https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278100 x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20210827-0006/ x_refsource_CONFIRM