CVE-2021-28363
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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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2021-28363
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|---|
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- https://security.gentoo.org/glsa/202305-02vendor-advisory
- https://security.gentoo.org/glsa/202107-36vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-28363
Same Patch Batch · n/a · 2021-03-15 · 45 CVEs total
| CVE-2021-23355 | 5.6 MEDIUM | Arbitrary Command Injection |
| CVE-2021-23356 | 5.6 MEDIUM | Arbitrary Command Injection |
| CVE-2021-28378 | 3.7 LOW | Gitea 跨站脚本漏洞 |
| CVE-2021-23357 | 3.3 LOW | Directory Traversal |
| CVE-2021-3167 | Cloudera Data Engineering 信息泄露漏洞 | |
| CVE-2021-27891 | SSH.COM SSH Tectia Client and Server 安全漏洞 | |
| CVE-2021-27892 | SSH.COM SSH Tectia Client and Server 安全漏洞 | |
| CVE-2021-27893 | SSH.COM SSH Tectia Client and Server 安全漏洞 | |
| CVE-2020-35358 | Domainmod 代码问题漏洞 | |
| CVE-2021-28379 | Vesta Control Panel 代码问题漏洞 | |
| CVE-2021-28374 | Debian courier-authlib 配置错误漏洞 | |
| CVE-2021-28375 | Linux kernel 安全漏洞 | |
| CVE-2021-20179 | pki-core 安全漏洞 | |
| CVE-2021-26924 | Argo 跨站脚本漏洞 | |
| CVE-2021-26923 | Argo 信息泄露漏洞 | |
| CVE-2021-27695 | Tecnoteca openMAINT 跨站脚本漏洞 | |
| CVE-2020-24877 | Depy zzzphp SQL注入漏洞 | |
| CVE-2021-27817 | ShopXO 代码问题漏洞 | |
| CVE-2021-27889 | MyBB 跨站脚本漏洞 | |
| CVE-2021-27890 | MyBB SQL注入漏洞 |
Showing top 20 of 45 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: n/a
- CVE-2026-8276
bettercap MySQL Server mysql_server.go integer coercion - CVE-2026-8275
bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2021-28363
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