CVE-2021-22145

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 76.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-07-21 · updated 2026-06-17
Weakness: CWE-200

Description

A memory disclosure vulnerability was identified in Elasticsearch 7.10.0 to 7.13.3 error reporting. A user with the ability to submit arbitrary queries to Elasticsearch could submit a malformed query that would result in an error message returned containing previously used portions of a data buffer. This buffer could contain sensitive information such as Elasticsearch documents or authentication details.

Affected products

Elasticsearch: from 7.10.0 through 7.13.3
Oracle Communications Cloud Native Core Automated Test Suite: 1.8.0

References

http://packetstormsecurity.com/files/163648/ElasticSearch-7.13.3-Memory-Disclosure.html
https://discuss.elastic.co/t/elasticsearch-7-13-4-security-update/279177
https://gist.github.com/lucasdrufva/f9c5d7c9e26ee087b736d727953afd34
https://security.netapp.com/advisory/ntap-20210827-0006/
https://www.oracle.com/security-alerts/cpuapr2022.html
http://packetstormsecurity.com/files/163648/ElasticSearch-7.13.3-Memory-Disclosure.html
https://discuss.elastic.co/t/elasticsearch-7-13-4-security-update/279177
https://security.netapp.com/advisory/ntap-20210827-0006/
https://www.oracle.com/security-alerts/cpuapr2022.html

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