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CVE-2021-26634— Maxboard multiple vulnerabilities

Quick assessment

Affected
Max Yi Maxboard
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.

Max Yi MaxBoard是韩国Max Yi公司的一个 CMS（内容管理系统） 或 Web 框架。有助于使网站创建和站点管理更容易，并且可以轻松方便地用于构建应用程序的后端。 Max Yi MaxBoard 1.9.5.1 之前的版本存在代码问题漏洞，该漏洞源于Maxboard 文件的某些参数和变量的输入值验证不充分，攻击者可以利用该漏洞执行任意代码或权限提升等。

CVSS 9.8 · Critical EPSS 1.29% · P68
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I. Basic Information for CVE-2021-26634

Vulnerability Information
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Vulnerability Title
Maxboard multiple vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
SQL injection and file upload attacks are possible due to insufficient validation of input values in some parameters and variables of files compromising Maxboard, which may lead to arbitrary code execution or privilege escalation. Attackers can use these vulnerabilities to perform attacks such as stealing server management rights using a web shell.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Max Yi MaxBoard 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Max Yi MaxBoard是韩国Max Yi公司的一个 CMS（内容管理系统） 或 Web 框架。有助于使网站创建和站点管理更容易，并且可以轻松方便地用于构建应用程序的后端。 Max Yi MaxBoard 1.9.5.1 之前的版本存在代码问题漏洞，该漏洞源于Maxboard 文件的某些参数和变量的输入值验证不充分，攻击者可以利用该漏洞执行任意代码或权限提升等。
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
Max Yi Maxboard unspecified ~ 1.9.5.1 -

II. Public POCs for CVE-2021-26634

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III. Intelligence Information for CVE-2021-26634

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Other References for CVE-2021-26634 (1)

IV. Related Vulnerabilities

Same product: Maxboard
Same vendor: Max Yi
Same weakness: CWE-89

V. Comments for CVE-2021-26634

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