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I. Basic Information for CVE-2021-43803
Vulnerability Information

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Vulnerability Title
Unexpected server crash in Next.js
Source: NVD (National Vulnerability Database)
Vulnerability Description
Next.js is a React framework. In versions of Next.js prior to 12.0.5 or 11.1.3, invalid or malformed URLs could lead to a server crash. In order to be affected by this issue, the deployment must use Next.js versions above 11.1.0 and below 12.0.5, Node.js above 15.0.0, and next start or a custom server. Deployments on Vercel are not affected, along with similar environments where invalid requests are filtered before reaching Next.js. Versions 12.0.5 and 11.1.3 contain patches for this issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
ZEIT Next.js 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZEIT Next.js是ZEIT公司的一款基于Vue.js、Node.js、Webpack和Babel.js的开源Web应用框架。 ZEIT Next.js存在输入验证错误漏洞,该漏洞源于软件对于url错误格式缺乏有效的处理。无效或格式错误的url可能会导致服务器崩溃。
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
VendorProductAffected VersionsCPESubscribe
vercelnext.js >= 11.1.0, < 11.1.3 -
II. Public POCs for CVE-2021-43803
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III. Intelligence Information for CVE-2021-43803
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IV. Related Vulnerabilities
V. Comments for CVE-2021-43803

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