CVE-2021-22145

Name: CVE-2021-22145
Creator: NVD / NIST
Published: 2021-07-21T15:15:14.063+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 76.25%

Last modified Jun 17, 2026

CVE-2021-22145 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 76.25% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

76.25%

99.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Elastic	Elasticsearch	>= 7.10.0, <= 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.htmlExploit, Third Party Advisory, VDB Entry
https://discuss.elastic.co/t/elasticsearch-7-13-4-security-update/279177Vendor Advisory
https://gist.github.com/lucasdrufva/f9c5d7c9e26ee087b736d727953afd34
https://security.netapp.com/advisory/ntap-20210827-0006/Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
http://packetstormsecurity.com/files/163648/ElasticSearch-7.13.3-Memory-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
https://discuss.elastic.co/t/elasticsearch-7-13-4-security-update/279177Vendor Advisory
https://security.netapp.com/advisory/ntap-20210827-0006/Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory

Timeline

Published: Jul 21, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22145?

How severe is CVE-2021-22145?

CVE-2021-22145 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 76.25% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22145?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-22145?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST