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CVE-2020-37248

Quick assessment

Affected
OfflineIMAP OfflineIMAP
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.

OfflineIMAP是OfflineIMAP开源的一款用于同步IMAP服务器邮件的开源Python实用程序。 OfflineIMAP 8.0.3之前版本存在安全漏洞，该漏洞源于在身份验证前信任服务器的STARTTLS功能，可能导致STRIPTLS/中间人攻击，接管连接并以明文形式提取账户凭据。

CVSS 6.5 · Medium EPSS 0.19% · P7

Affected Version Matrix 1

VendorProduct Version RangeStatus
OfflineIMAP OfflineIMAP < 8.0.3 affected
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I. Basic Information for CVE-2020-37248

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
OfflineIMAP before 8.0.3 trusts the server with their STARTTLS capability prior to authentication, which allows STRIPTLS/man-in-the-middle attacks, taking over the connection and extracting account credentials in cleartext.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用不可信的源
Source: CVE Program / CVE List V5
Vulnerability Title
OfflineIMAP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OfflineIMAP是OfflineIMAP开源的一款用于同步IMAP服务器邮件的开源Python实用程序。 OfflineIMAP 8.0.3之前版本存在安全漏洞，该漏洞源于在身份验证前信任服务器的STARTTLS功能，可能导致STRIPTLS/中间人攻击，接管连接并以明文形式提取账户凭据。
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
OfflineIMAP OfflineIMAP 0 ~ 8.0.3 -

II. Public POCs for CVE-2020-37248

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III. Intelligence Information for CVE-2020-37248

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Patches & Fixes for CVE-2020-37248 (1)

News Coverage for CVE-2020-37248 (1)

Other References for CVE-2020-37248 (2)

IV. Related Vulnerabilities

Same product: OfflineIMAP
Same vendor: OfflineIMAP
Same weakness: CWE-348

V. Comments for CVE-2020-37248

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