CVE-2021-3629
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I. Basic Information for CVE-2021-3629
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://security.netapp.com/advisory/ntap-20220729-0008/x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1977362x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3629
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 weakness: CWE-400
- CVE-2025-10470
Denial-of-Service via Magic Link Authentication in WSO2 Iden - CVE-2026-8187
Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption - CVE-2026-42343
FastGPT: Uncontrolled Resource Consumption leading to Sandbo - CVE-2026-42212
SolidCAM-GPPL-IDE: XML External Entity (XXE) and billion-lau - CVE-2026-32686
Unbounded exponent in decimal enables unauthenticated DoS
V. Comments for CVE-2021-3629
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