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I. Basic Information for CVE-2021-21337
Vulnerability Information

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Vulnerability Title
URL Redirection to Untrusted Site ('Open Redirect') in Products.PluggableAuthService
Source: NVD (National Vulnerability Database)
Vulnerability Description
Products.PluggableAuthService is a pluggable Zope authentication and authorization framework. In Products.PluggableAuthService before version 2.6.0 there is an open redirect vulnerability. A maliciously crafted link to the login form and login functionality could redirect the browser to a different website. The problem has been fixed in version 2.6.1. Depending on how you have installed Products.PluggableAuthService, you should change the buildout version pin to `2.6.1` and re-run the buildout, or if you used `pip` simply do `pip install "Products.PluggableAuthService>=2.6.1".
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Jens Vagelpohl Products.PluggableAuthService 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jens Vagelpohl Products.PluggableAuthService是 (Jens Vagelpohl)开源的一个应用程序。该产品定义了一个可完全插入的用户文件夹,供所有Zope网站使用。 Products.PluggableAuthService before version 2.6.0 存在安全漏洞,该漏洞源于一个打开的重定向漏洞。恶意制作的登录表单和登录功能链接可能会将浏览器重定向到另一个网站。
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
zopefoundationProducts.PluggableAuthService < 2.6.1 -
II. Public POCs for CVE-2021-21337
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III. Intelligence Information for CVE-2021-21337
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IV. Related Vulnerabilities
V. Comments for CVE-2021-21337

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