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I. Basic Information for CVE-2022-2421
Vulnerability Information

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Vulnerability Title
Socket.io - Improper type validation in attachment parsing
Source: NVD (National Vulnerability Database)
Vulnerability Description
Due to improper type validation in attachment parsing the Socket.io js library, it is possible to overwrite the _placeholder object which allows an attacker to place references to functions at arbitrary places in the resulting query object.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Socket.IO SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Socket.IO是Socket.IO公司的一个面向实时web 应用的 JavaScript 库。 Socket.IO 存在安全漏洞,该漏洞源于附件解析Socket.io js库时的类型验证不正确。
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
Socket.ioSocket.io-Parser 4.x ~ 4.2.1 -
II. Public POCs for CVE-2022-2421
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III. Intelligence Information for CVE-2022-2421
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IV. Related Vulnerabilities
V. Comments for CVE-2022-2421

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