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CVE-2021-26630— HANDY Groupware file download and execute vulnerability

Quick assessment

Affected
Handysoft Co.,Ltd HANDY Groupware
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.

Handysoft Handy Groupware是韩国Handysoft公司的一款办公协作解决方案。该产品支持会议管理、考勤管理和人力资源评估等功能。 Handysoft Groupware for Windows 存在安全漏洞，该漏洞源于 ActiveX 模块中的不正确输入验证。攻击者利用该漏洞可以下载或执行任意文件。以下产品和版本受到影响：1.7.4.6 之前版本、2.0.3.6 之前版本、4.0.1.7 之前版本。

CVSS 7.8 · High EPSS 0.81% · P56

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-26630

Vulnerability Information
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Vulnerability Title
HANDY Groupware file download and execute vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper input validation vulnerability in HANDY Groupware’s ActiveX moudle allows attackers to download or execute arbitrary files. This vulnerability can be exploited by using the file download or execution path as the parameter value of the vulnerable function.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Handysoft Groupware 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Handysoft Handy Groupware是韩国Handysoft公司的一款办公协作解决方案。该产品支持会议管理、考勤管理和人力资源评估等功能。 Handysoft Groupware for Windows 存在安全漏洞，该漏洞源于 ActiveX 模块中的不正确输入验证。攻击者利用该漏洞可以下载或执行任意文件。以下产品和版本受到影响：1.7.4.6 之前版本、2.0.3.6 之前版本、4.0.1.7 之前版本。
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
Handysoft Co.,Ltd HANDY Groupware unspecified ~ 1.7.4.6 -
Handysoft Co.,Ltd HANDY Groupware unspecified ~ 2.0.3.6 -
Handysoft Co.,Ltd HANDY Groupware unspecified ~ 4.0.1.7 -

II. Public POCs for CVE-2021-26630

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III. Intelligence Information for CVE-2021-26630

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Other References for CVE-2021-26630 (1)

IV. Related Vulnerabilities

Same weakness: CWE-20

V. Comments for CVE-2021-26630

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