CVE-2020-7021
Quick assessment
Affected
Elastic Elasticsearch
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Elasticsearch是荷兰Elasticsearch公司的一套基于Lucene构建的开源分布式RESTful搜索引擎。该产品主要应用于云计算，并支持通过HTTP使用JSON进行数据索引。 Elasticsearch中存在日志信息泄露漏洞，该漏洞源于网络系统或产品的日志文件非正常输出。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local System
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I. Basic Information for CVE-2020-7021
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Elasticsearch versions before 7.10.0 and 6.8.14 have an information disclosure issue when audit logging and the emit_request_body option is enabled. The Elasticsearch audit log could contain sensitive information such as password hashes or authentication tokens. This could allow an Elasticsearch administrator to view these details.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Elasticsearch 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elasticsearch是荷兰Elasticsearch公司的一套基于Lucene构建的开源分布式RESTful搜索引擎。该产品主要应用于云计算，并支持通过HTTP使用JSON进行数据索引。 Elasticsearch中存在日志信息泄露漏洞，该漏洞源于网络系统或产品的日志文件非正常输出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Elastic | Elasticsearch | before 7.10.0 and 6.8.14 | - |
|
II. Public POCs for CVE-2020-7021
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2020-7021 (1)
-
https://security.netapp.com/advisory/ntap-20210319-0003/ x_refsource_CONFIRM
Other References for CVE-2020-7021 (1)
IV. Related Vulnerabilities
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Same vendor: Elastic
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Observable Discrepancy in Kibana Fleet Leading to Disclosure -
CVE-2026-72631
Improper Privilege Management in Kibana Fleet Leading to Ove -
CVE-2026-72630
Incorrect Authorization in Kibana Fleet Leading to Privilege
Same weakness: CWE-532
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CVE-2026-14948
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CVE-2020-37267
Renovate 19.180.0 before 23.25.1 Token Leakage via Logs -
CVE-2019-25766
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V. Comments for CVE-2020-7021
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