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I. Basic Information for CVE-2021-41243
Vulnerability Information

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Vulnerability Title
OS Command Injection Vulnerability and Potential Zip Slip Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
There is a Potential Zip Slip Vulnerability and OS Command Injection Vulnerability on the management system of baserCMS. Users with permissions to upload files may upload crafted zip files which may execute arbitrary commands on the host operating system. This is a vulnerability that needs to be addressed when the management system is used by an unspecified number of users. If you are eligible, please update to the new version as soon as possible.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
baserCMS 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
baserCMS是baserCMS(Basercms)团队的一套企业级内容管理系统(CMS)。 baserCMS 的管理系统存在操作系统命令注入漏洞,具有上传文件权限的用户可以上传精心制作的 zip 文件,这些文件可以在主机操作系统上执行任意命令。
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
VendorProductAffected VersionsCPESubscribe
baserprojectbasercms < 4.5.4 -
II. Public POCs for CVE-2021-41243
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III. Intelligence Information for CVE-2021-41243
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