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CVE-2021-36806

Quick assessment

Affected
Sophos Sophos Email Appliance
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Sophos Email Appliance是英国Sophos公司的一款电子邮件应用程序。 Sophos Email Appliance 4.5.3.4之前版本存在安全漏洞，该漏洞源于存在反射型跨站脚本(XSS)漏洞，允许开放重定向。

CVSS 4.7 · Medium EPSS 0.43% · P35
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I. Basic Information for CVE-2021-36806

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A reflected XSS vulnerability allows an open redirect when the victim clicks a malicious link to an error page on Sophos Email Appliance older than version 4.5.3.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Sophos Email Appliance 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sophos Email Appliance是英国Sophos公司的一款电子邮件应用程序。 Sophos Email Appliance 4.5.3.4之前版本存在安全漏洞，该漏洞源于存在反射型跨站脚本(XSS)漏洞，允许开放重定向。
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
Sophos Sophos Email Appliance 4.5.3.3 -

II. Public POCs for CVE-2021-36806

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III. Intelligence Information for CVE-2021-36806

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Security Blog Posts for CVE-2021-36806 (1)

IV. Related Vulnerabilities

Same vendor: Sophos
Same weakness: CWE-79

V. Comments for CVE-2021-36806

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