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CVE-2021-3629

Quick assessment

Affected
n/a undertow
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.

Red Hat Undertow是美国红帽（Red Hat）公司的一款基于Java的嵌入式Web服务器，是Wildfly（Java应用服务器）默认的Web服务器。 Red Hat Undertow 存在资源管理错误漏洞，该漏洞源于HTTP/2 控制流中存在问题及隐患，可能导致拒绝服务攻击。

AI Predicted 7.5 Difficulty: Moderate EPSS 1.32% · P70

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-3629

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final and prior to 2.2.11.Final.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Undertow 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Undertow是美国红帽（Red Hat）公司的一款基于Java的嵌入式Web服务器，是Wildfly（Java应用服务器）默认的Web服务器。 Red Hat Undertow 存在资源管理错误漏洞，该漏洞源于HTTP/2 控制流中存在问题及隐患，可能导致拒绝服务攻击。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- undertow undertow 2.0.40.Final, undertow 2.2.11.Final -

II. Public POCs for CVE-2021-3629

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III. Intelligence Information for CVE-2021-3629

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Vendor Advisories for CVE-2021-3629 (2)

Same Patch Batch · n/a · 2022-05-24 · 43 CVEs total

CVE-2021-3717 Wildfly 安全漏洞
CVE-2022-30843 Room-rent-portal-site SQL注入漏洞
CVE-2022-29333 CyberLink Power Director 安全漏洞
CVE-2021-42614 Halibut 资源管理错误漏洞
CVE-2022-29334 H 授权问题漏洞
CVE-2022-29358 epub2txt2 输入验证错误漏洞
CVE-2022-29359 School Club Application System 跨站脚本漏洞
CVE-2022-29361 Pallets Werkzeug 环境问题漏洞
CVE-2022-29710 LimeSurvey 跨站脚本漏洞
CVE-2022-29349 Keking kkFileView 跨站脚本漏洞
CVE-2021-3597 Red Hat Undertow 竞争条件问题漏洞
CVE-2021-42613 Halibut 资源管理错误漏洞
CVE-2022-22977 VMware Tools 代码问题漏洞
CVE-2021-42612 Halibut 资源管理错误漏洞
CVE-2022-23050 ZOHO ManageEngine Applications Manager 代码问题漏洞
CVE-2022-31261 Morpheus Data Morpheus 代码问题漏洞
CVE-2021-44975 radare2 缓冲区错误漏洞
CVE-2021-45914 LuxSoft LuxCal Web Calendar 授权问题漏洞
CVE-2021-45915 LuxSoft LuxCal Web Calendar 授权问题漏洞
CVE-2022-30839 Room-rent-portal-site 跨站脚本漏洞

Showing top 20 of 43 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: undertow
Same vendor: n/a
Same weakness: CWE-400

V. Comments for CVE-2021-3629

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