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I. Basic Information for CVE-2023-5770
Vulnerability Information

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Vulnerability Title
HTML injection in email body through email subject
Source: NVD (National Vulnerability Database)
Vulnerability Description
Proofpoint Enterprise Protection contains a vulnerability in the email delivery agent that allows an unauthenticated attacker to inject improperly encoded HTML into the email body of a message through the email subject. The vulnerability is caused by inappropriate encoding when rewriting the email before delivery.This issue affects Proofpoint Enterprise Protection: from 8.20.2 before patch 4809, from 8.20.0 before patch 4805, from 8.18.6 before patch 4804 and all other prior versions.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
输出上下文语义编码不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Proofpoint Enterprise Protection 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Proofpoint Enterprise Protection是美国Proofpoint公司的一个应用程序。提供了保护电子邮件的功能。 Proofpoint Enterprise Protection 8.20.2 patch 4809之前、8.20.0 patch 4805之前、8.18.6 patch 4804之前版本存在安全漏洞,该漏洞源于在发送重写电子邮件时编码不当,允许未经身份验证的攻击者通过电子邮件主题将编码不正确的 HTML 注入邮件正文中。
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
ProofpointProofpoint Enterprise Protection 8.20.2 ~ patch 4809 -
II. Public POCs for CVE-2023-5770
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III. Intelligence Information for CVE-2023-5770
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IV. Related Vulnerabilities
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