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I. Basic Information for CVE-2020-5255
Vulnerability Information

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Vulnerability Title
Prevent cache poisoning via a Response Content-Type header
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Symfony before versions 4.4.7 and 5.0.7, when a `Response` does not contain a `Content-Type` header, affected versions of Symfony can fallback to the format defined in the `Accept` header of the request, leading to a possible mismatch between the response's content and `Content-Type` header. When the response is cached, this can prevent the use of the website by other users. This has been patched in versions 4.4.7 and 5.0.7.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
交互错误
Source: NVD (National Vulnerability Database)
Vulnerability Title
Sensio Labs Symfony 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sensio Labs Symfony是法国Sensio Labs公司的一套免费的、基于MVC架构的PHP开发框架。该框架提供常用的功能组件及工具,可用于快速创建复杂的WEB程序。 Sensio Labs Symfony 4.4之前版本中存在安全漏洞。攻击者可利用该漏洞造成用户无法使用网站。
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
symfonysymfony >= 4.4.0 and < 4.4.7 -
II. Public POCs for CVE-2020-5255
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III. Intelligence Information for CVE-2020-5255
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