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CVE-2021-22137

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 存在信息泄露漏洞，攻击者可利用该漏洞通过Cross-cluster Search Queries绕过数据访问限制，以获取敏感信息。

AI Predicted 7.5 Difficulty: Easy EPSS 1.11% · P65
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I. Basic Information for CVE-2021-22137

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Elasticsearch versions before 7.11.2 and 6.8.15 a document disclosure flaw was found when Document or Field Level Security is used. Search queries do not properly preserve security permissions when executing certain cross-cluster search 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
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Elasticsearch 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 存在信息泄露漏洞，攻击者可利用该漏洞通过Cross-cluster Search Queries绕过数据访问限制，以获取敏感信息。
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 7.11.2 and 6.8.15 -

II. Public POCs for CVE-2021-22137

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III. Intelligence Information for CVE-2021-22137

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Vendor Advisories for CVE-2021-22137 (1)

Other References for CVE-2021-22137 (1)

Same Patch Batch · Elastic · 2021-05-13 · 6 CVEs total

CVE-2021-22140 Elastic App Search web crawler 代码问题漏洞
CVE-2021-22138 Elasticsearch Logstash 信任管理问题漏洞
CVE-2021-22139 Elastic Stack Kibana 资源管理错误漏洞
CVE-2021-22135 Elasticsearch 信息泄露漏洞
CVE-2021-22136 Elastic Stack Kibana 代码问题漏洞

IV. Related Vulnerabilities

Same product: Elasticsearch
Same vendor: Elastic
Same weakness: CWE-200

V. Comments for CVE-2021-22137

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