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CVE-2020-7020

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是一个基于Lucene库的搜索引擎。 Elasticsearch 6.8.13版本和7.9.2之前版本存在安全漏洞，该漏洞源于在使用文档或字段级安全时包含文档泄露缺陷。在执行某些复杂查询时，搜索查询不能正确地保留安全权限。这可能导致搜索暴露了攻击者无法查看的文档的存在。攻击者可利用该漏洞对潜在的敏感索引有更多的了解。

AI Predicted 5.4 Difficulty: Moderate EPSS 1.08% · P65

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2020-7020

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Elasticsearch versions before 6.8.13 and 7.9.2 contain a document disclosure flaw when Document or Field Level Security is used. Search queries do not properly preserve security permissions when executing certain complex queries. This could result in the search disclosing the existence of documents the attacker should not be able to view. This could result in an attacker gaining additional insight into potentially sensitive indices.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
特权上下文切换错误
Source: CVE Program / CVE List V5
Vulnerability Title
Elasticsearch 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elasticsearch是一个基于Lucene库的搜索引擎。 Elasticsearch 6.8.13版本和7.9.2之前版本存在安全漏洞，该漏洞源于在使用文档或字段级安全时包含文档泄露缺陷。在执行某些复杂查询时，搜索查询不能正确地保留安全权限。这可能导致搜索暴露了攻击者无法查看的文档的存在。攻击者可利用该漏洞对潜在的敏感索引有更多的了解。
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 6.8.13 and 7.9.2 -

II. Public POCs for CVE-2020-7020

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2020-7020

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Vendor Advisories for CVE-2020-7020 (1)

Other References for CVE-2020-7020 (2)

IV. Related Vulnerabilities

Same product: Elasticsearch
Same vendor: Elastic
Same weakness: CWE-270