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I. Basic Information for CVE-2021-23406
Vulnerability Information

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Vulnerability Title
Remote Code Execution (RCE)
Source: NVD (National Vulnerability Database)
Vulnerability Description
This affects the package pac-resolver before 5.0.0. This can occur when used with untrusted input, due to unsafe PAC file handling. **NOTE:** The fix for this vulnerability is applied in the node-degenerator library, a dependency written by the same maintainer.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
pac-resolver 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
pac-resolver是一个从PAC 文件生成异步解析器函数。 pac-resolver 5.0.0之前版本存在安全漏洞,该漏洞源于应用不安全的 PAC 文件处理,当与不受信任的输入一起使用时可能会发生这种情况。
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
-pac-resolver unspecified ~ 5.0.0 -
II. Public POCs for CVE-2021-23406
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III. Intelligence Information for CVE-2021-23406
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IV. Related Vulnerabilities
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