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I. Basic Information for CVE-2021-3603
Vulnerability Information

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Vulnerability Title
Inclusion of Functionality from Untrusted Control Sphere in PHPMailer/PHPMailer
Source: NVD (National Vulnerability Database)
Vulnerability Description
PHPMailer 6.4.1 and earlier contain a vulnerability that can result in untrusted code being called (if such code is injected into the host project's scope by other means). If the $patternselect parameter to validateAddress() is set to 'php' (the default, defined by PHPMailer::$validator), and the global namespace contains a function called php, it will be called in preference to the built-in validator of the same name. Mitigated in PHPMailer 6.5.0 by denying the use of simple strings as validator function names.
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
从非可信控制范围包含功能例程
Source: NVD (National Vulnerability Database)
Vulnerability Title
PHPMailer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHPMailer是一个用于发送电子邮件的PHP类库。 PHPMailer 存在安全漏洞,允许远程攻击者在目标系统上执行任意 PHP 代码。以下产品及版本受到影响:PHPMailer:2.0.3,2.2.1,2.3.0,5.0.0,5.0.2,5.1.0,5.2,5,5.2.0,5.2.1,5.2.2,5.2.3,5.2.4,5.2.5,5.2.6,5.2.7,5.2.85.2.95.2.105.2.115.2.125.2.135.2.145.2.15,5.2.16,5.2.17,5.2.18,5.2.1
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
PHPMailerPHPMailer unspecified ~ 6.5.0 -
II. Public POCs for CVE-2021-3603
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III. Intelligence Information for CVE-2021-3603
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