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CVE-2021-22145

Quick assessment

Affected
Elastic Elasticsearch
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Elastic是荷兰Elastic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。 Elastic search 中存在安全漏洞。Elastic Elastic search 可能允许远程身份验证的攻击者获取敏感信息，这是由错误报告功能中的越界读取缺陷引起的。通过发送特制的查询，攻击者可以利用该漏洞从数据缓冲区中获取敏感信息，并利用这些信息对受影响的系统发起进一步的攻击。

AI Predicted 5.4 Difficulty: Easy EPSS 76.25% · P100
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I. Basic Information for CVE-2021-22145

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
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
Elastic 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elastic是荷兰Elastic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。 Elastic search 中存在安全漏洞。Elastic Elastic search 可能允许远程身份验证的攻击者获取敏感信息，这是由错误报告功能中的越界读取缺陷引起的。通过发送特制的查询，攻击者可以利用该漏洞从数据缓冲区中获取敏感信息，并利用这些信息对受影响的系统发起进一步的攻击。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Elastic Elasticsearch 7.10.0 ~ 7.13.3 -

II. Public POCs for CVE-2021-22145

# POC Description Source Link Shenlong Link
1 None https://github.com/niceeeeeeee/CVE-2021-22145-poc POC Details
2 ElasticSsarch 7.10.0 to 7.13.3 is susceptible to information disclosure. A user with the ability to submit arbitrary queries can submit a malformed query that results in an error message containing previously used portions of a data buffer. This buffer can contain sensitive information such as Elasticsearch documents or authentication details, thus potentially leading to data modification and/or execution of unauthorized operations. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-22145.yaml POC Details
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III. Intelligence Information for CVE-2021-22145

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Vendor Advisories for CVE-2021-22145 (2)

Exploits & Public PoCs for CVE-2021-22145 (1)

Security Blog Posts for CVE-2021-22145 (1)

Other References for CVE-2021-22145 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-22145

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