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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-37937— Elasticsearch privilege escalation

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 存在安全漏洞，该漏洞源于攻击者可利用该漏洞可以通过Elasticsearch的Fleet-server服务API密钥绕过限制，以升级他的特权。

CVSS 5.9 · Medium EPSS 0.71% · P52

Possible ATT&CK Techniques 1 AI

T1548.003 · Sudo and Sudo Caching
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-37937

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Elasticsearch privilege escalation
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was found with how API keys are created with the Fleet-Server service account. When an API key is created with a service account, it is possible that the API key could be created with higher privileges than intended. Using this vulnerability, a compromised Fleet-Server service account could escalate themselves to a super-user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
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 存在安全漏洞，该漏洞源于攻击者可利用该漏洞可以通过Elasticsearch的Fleet-server服务API密钥绕过限制，以升级他的特权。
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 7.13.0 ~ 7.14.0 -

II. Public POCs for CVE-2021-37937

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-37937

请登录查看更多情报信息。

Other References for CVE-2021-37937 (2)

Same Patch Batch · Elastic · 2023-11-22 · 7 CVEs total

CVE-2021-37942 7.0 HIGH APM Java Agent Local Privilege Escalation
CVE-2021-22142 6.6 MEDIUM Kibana Reporting vulnerabilities
CVE-2021-22150 6.6 MEDIUM Kibana code execution issue
CVE-2023-46673 6.5 MEDIUM Elasticsearch 安全漏洞
CVE-2021-22151 3.1 LOW Kibana path traversal issue
CVE-2021-22143 2.1 LOW Elastic APM .NET Agent information disclosure

IV. Related Vulnerabilities

Same product: Elasticsearch
Same vendor: Elastic
Same weakness: CWE-269

V. Comments for CVE-2021-37937

No comments yet

Leave a comment