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CVE-2021-22145

6.5 · MEDIUM

A memory disclosure vulnerability was identified in Elasticsearch 7.10.0 to 7.13.3 error reporting.

Published Jul 21, 2021CWE-200EPSS 76.25%

Overview

CVE-2021-22145 is a medium-severity vulnerability. It was published on July 21, 2021 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/163648/ElasticSearch-7.13.3-Memory-Disclosure.htmlRefdiscuss.elastic.co/t/elasticsearch-7-13-4-security-update/279177GitHubgist.github.com/lucasdrufva/f9c5d7c9e26ee087b736d727953afd34Refsecurity.netapp.com/advisory/ntap-20210827-0006/Refwww.oracle.com/security-alerts/cpuapr2022.htmlRefpacketstormsecurity.com/files/163648/ElasticSearch-7.13.3-Memory-Disclosure.htmlRefdiscuss.elastic.co/t/elasticsearch-7-13-4-security-update/279177Refsecurity.netapp.com/advisory/ntap-20210827-0006/Refwww.oracle.com/security-alerts/cpuapr2022.html

How CyberStrike helps

Frequently asked questions

What is CVE-2021-22145?

CVE-2021-22145 is a medium-severity vulnerability. It was published on July 21, 2021 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2021-22145?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-22145?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-22145?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-22145 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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