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I. Basic Information for CVE-2021-28363
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The urllib3 library 1.26.x before 1.26.4 for Python omits SSL certificate validation in some cases involving HTTPS to HTTPS proxies. The initial connection to the HTTPS proxy (if an SSLContext isn't given via proxy_config) doesn't verify the hostname of the certificate. This means certificates for different servers that still validate properly with the default urllib3 SSLContext will be silently accepted.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
urllib3 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
urllib3是一款Python HTTP库。该产品具有线程安全连接池、文件发布支持等。 urllib3 library 1.26.x before 1.26.4 存在信任管理问题漏洞,该漏洞源于SSLContext正确验证的其他服务器的证书将被静默接受。
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
-n/a n/a -
II. Public POCs for CVE-2021-28363
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III. Intelligence Information for CVE-2021-28363
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