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CVE-2021-37746

Quick assessment

Affected
n/a n/a
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.

Claws Mail是一款基于GTK+语言编写的开源电子邮件客户端和新闻聚合器。 claws mail 存在输入验证错误漏洞，该漏洞源于3.18.0 版本之前的 Claws Mail 中的 textview.c 中的 textview_uri_security_check 函数，以及 3.7.0 版本之前的 Sylpheed，在接受点击之前没有对链接进行足够的检查。

AI Predicted 8.8 Difficulty: Easy EPSS 1.16% · P66

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-37746

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
textview_uri_security_check in textview.c in Claws Mail before 3.18.0, and Sylpheed through 3.7.0, does not have sufficient link checks before accepting a click.
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
Claws Mail 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Claws Mail是一款基于GTK+语言编写的开源电子邮件客户端和新闻聚合器。 claws mail 存在输入验证错误漏洞，该漏洞源于3.18.0 版本之前的 Claws Mail 中的 textview.c 中的 textview_uri_security_check 函数，以及 3.7.0 版本之前的 Sylpheed，在接受点击之前没有对链接进行足够的检查。
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
- n/a n/a -

II. Public POCs for CVE-2021-37746

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-37746

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Mailing List Discussions for CVE-2021-37746 (2)

Other References for CVE-2021-37746 (3)

Same Patch Batch · n/a · 2021-07-30 · 11 CVEs total

CVE-2021-27495 Ypsomed mylife App 安全漏洞
CVE-2021-27491 Ypsomed mylife App 安全漏洞
CVE-2021-22521 Micro Focus ZENworks Configuration Management 权限许可和访问控制问题漏洞
CVE-2021-3636 Red Hat OpenShift 授权问题漏洞
CVE-2021-35193 Eaglesoft 信任管理问题漏洞
CVE-2021-29298 Emerson GE Automation Proficy Machine 输入验证错误漏洞
CVE-2021-29297 Emerson GE Automation Proficy Machine 缓冲区错误漏洞
CVE-2020-26563 ObjectPlanet Opinio 跨站脚本漏洞
CVE-2021-37743 MISP 跨站脚本漏洞
CVE-2021-37742 MISP 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-37746

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