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CVE-2020-3811

Quick assessment

Affected
Debian netqmail
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.

Qmail是丹尼尔·J·伯恩斯坦软件开发者的一套使用C语言编写的，运行于类Unix操作系统中的邮件传输代理软件。 qmail-verify（使用在netqmail 1.06版本中）中存在安全漏洞。攻击者可利用该漏洞绕过邮件地址验证。

AI Predicted 4.3 Difficulty: Moderate EPSS 1.77% · P77

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2020-3811

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
qmail-verify as used in netqmail 1.06 is prone to a mail-address verification bypass vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
qmail-verify 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qmail是丹尼尔·J·伯恩斯坦软件开发者的一套使用C语言编写的，运行于类Unix操作系统中的邮件传输代理软件。 qmail-verify（使用在netqmail 1.06版本中）中存在安全漏洞。攻击者可利用该漏洞绕过邮件地址验证。
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
Debian netqmail 1.06 -

II. Public POCs for CVE-2020-3811

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III. Intelligence Information for CVE-2020-3811

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Vendor Advisories for CVE-2020-3811 (3)

Mailing List Discussions for CVE-2020-3811 (2)

IV. Related Vulnerabilities

Same product: netqmail
Same vendor: Debian

V. Comments for CVE-2020-3811

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