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CVE-2021-22959

Quick assessment

Affected
NodeJS Node
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.

Nodejs Core是OpenJS（Openjs）基金会的一个编译到Nodejs中的核心模块。该模块为Nodejs提供底层的TCP，HTTP，DNS，文件系统，子进程等功能支持。 Nodejs Core 存在环境问题漏洞，该漏洞源于攻击者可以通过 HTTP 请求走私绕过 Node Core 的访问限制，以读取或更改数据。

AI Predicted 7.5 Difficulty: Easy EPSS 3.16% · P88
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I. Basic Information for CVE-2021-22959

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The parser in accepts requests with a space (SP) right after the header name before the colon. This can lead to HTTP Request Smuggling (HRS) in llhttp < v2.1.4 and < v6.0.6.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
Source: CVE Program / CVE List V5
Vulnerability Title
Nodejs Core 环境问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nodejs Core是OpenJS（Openjs）基金会的一个编译到Nodejs中的核心模块。该模块为Nodejs提供底层的TCP，HTTP，DNS，文件系统，子进程等功能支持。 Nodejs Core 存在环境问题漏洞，该漏洞源于攻击者可以通过 HTTP 请求走私绕过 Node Core 的访问限制，以读取或更改数据。
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
NodeJS Node 4.0 ~ 4.* -

II. Public POCs for CVE-2021-22959

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III. Intelligence Information for CVE-2021-22959

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Vendor Advisories for CVE-2021-22959 (2)

Other References for CVE-2021-22959 (1)

IV. Related Vulnerabilities

Same product: Node
Same vendor: NodeJS
Same weakness: CWE-444

V. Comments for CVE-2021-22959

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