Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-22140

Quick assessment

Affected
Elastic Elastic App Search
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.

Elastic App Search web crawler是美国Elastic公司的一个应用软件。提供了更大的可扩展性和性能增强。 App Search web crawler 存在代码问题漏洞，该漏洞源于企业搜索中没有充分验证用户提供的XML输入。以下产品及版本受到影响：App Search web crawler: before 7.12.1 。

AI Predicted 5.3 Difficulty: Moderate EPSS 1.27% · P69

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-22140

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Elastic App Search versions after 7.11.0 and before 7.12.0 contain an XML External Entity Injection issue (XXE) in the App Search web crawler beta feature. Using this vector, an attacker whose website is being crawled by App Search could craft a malicious sitemap.xml to traverse the filesystem of the host running the instance and obtain sensitive files.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Vulnerability Title
Elastic App Search web crawler 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elastic App Search web crawler是美国Elastic公司的一个应用软件。提供了更大的可扩展性和性能增强。 App Search web crawler 存在代码问题漏洞，该漏洞源于企业搜索中没有充分验证用户提供的XML输入。以下产品及版本受到影响：App Search web crawler: before 7.12.1 。
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 Elastic App Search after 7.11.0 and before 7.12.0 -

II. Public POCs for CVE-2021-22140

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-22140

请登录查看更多情报信息。

Other References for CVE-2021-22140 (1)

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

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-2021-22137 Elasticsearch 信息泄露漏洞
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: Elastic App Search
Same vendor: Elastic
Same weakness: CWE-611

V. Comments for CVE-2021-22140

No comments yet

Leave a comment