---
title: "CVE-2021-22145: Elasticsearch vulnerability | CubePath"
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…"
language: en
source: https://cubepath.com/security/cve/CVE-2021-22145
---

# CVE-2021-22145: Elasticsearch vulnerability | CubePath

## 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.

Official description from the CVE record, published by elastic. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2021-22145)

## Key data

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.76249 (76.2% probability)

Percentile

99.5%

Scores of

Nov 10, 2026

Model

v2026.06.15

### Weakness (CWE)

CWE catalog version 5.0.

CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license.

- [CWE-200](https://cwe.mitre.org/data/definitions/200.html) Exposure of Sensitive Information to an Unauthorized Actor

## Affected products

Products listed in the CVE record, as the CNA published them.

- Elasticsearch

  - affected: 7.10.0 up to 7.13.3

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [oracle.com/security-alerts/cpuapr2022.html](https://www.oracle.com/security-alerts/cpuapr2022.html)
- [security.netapp.com/advisory/ntap-20210827-0006](https://security.netapp.com/advisory/ntap-20210827-0006/)
- [discuss.elastic.co/t/elasticsearch-7-13-4-security-update/2…](https://discuss.elastic.co/t/elasticsearch-7-13-4-security-update/279177)
- [packetstormsecurity.com/files/163648/ElasticSearch-7.13.3-M…](http://packetstormsecurity.com/files/163648/ElasticSearch-7.13.3-Memory-Disclosure.html)
- [gist.github.com/lucasdrufva/f9c5d7c9e26ee087b736d727953afd34](https://gist.github.com/lucasdrufva/f9c5d7c9e26ee087b736d727953afd34) technical-description

## Timeline

1. ID reserved Jan 4, 2021
2. Record published Jul 21, 2021
3. Record last updated Jul 8, 2025

## Look up another CVE

## About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.

[Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection)

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:03 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)