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CVE-2021-22921

Quick assessment

Affected
NodeJS Node
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

nodejs是是一个基于ChromeV8引擎的JavaScript运行环境通过对Chromev8引擎进行了封装以及使用事件驱动和非阻塞IO的应用让Javascript开发高性能的后台应用成为了可能。 Nodejs 在 Windows 平台上存在安全漏洞，该漏洞源于安装目录中权限的不当配置。攻击者可利用该漏洞进行PATH 和 DLL 劫持，进而提升权限。

AI Predicted 7.8 Difficulty: Easy EPSS 7.41% · P94
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I. Basic Information for CVE-2021-22921

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Node.js before 16.4.1, 14.17.2, and 12.22.2 is vulnerable to local privilege escalation attacks under certain conditions on Windows platforms. More specifically, improper configuration of permissions in the installation directory allows an attacker to perform two different escalation attacks: PATH and DLL hijacking.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
关键资源的不正确权限授予
Source: CVE Program / CVE List V5
Vulnerability Title
Nodejs 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
nodejs是是一个基于ChromeV8引擎的JavaScript运行环境通过对Chromev8引擎进行了封装以及使用事件驱动和非阻塞IO的应用让Javascript开发高性能的后台应用成为了可能。 Nodejs 在 Windows 平台上存在安全漏洞，该漏洞源于安装目录中权限的不当配置。攻击者可利用该漏洞进行PATH 和 DLL 劫持，进而提升权限。
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-2021-22921

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III. Intelligence Information for CVE-2021-22921

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Vendor Advisories for CVE-2021-22921 (2)

Security Blog Posts for CVE-2021-22921 (1)

Other References for CVE-2021-22921 (1)

IV. Related Vulnerabilities

Same product: Node
Same vendor: NodeJS
Same weakness: CWE-732

V. Comments for CVE-2021-22921

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