CVE-2021-36440
Quick assessment
Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
showdoc是开源的一个非常适合IT团队在线共享文档的工具。 ShowDoc中存在代码问题漏洞。该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-36440
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Unrestricted File Upload in ShowDoc v2.9.5 allows remote attackers to execute arbitrary code via the 'file_url' parameter in the component AdminUpdateController.class.php'.
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
ShowDoc 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
showdoc是开源的一个非常适合IT团队在线共享文档的工具。 ShowDoc中存在代码问题漏洞。该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。
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-2021-36440
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/Threekiii/Awesome-POC/blob/master/Web%E5%BA%94%E7%94%A8%E6%BC%8F%E6%B4%9E/ShowDoc%20AdminUpdateController.class.php%20%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E4%B8%8A%E4%BC%A0%E6%BC%8F%E6%B4%9E%20CVE-2021-36440.md | POC Details |
| 2 | None | https://github.com/forget-dl/CVE-2021-36440-poc-test | POC Details |
AI-Generated POC
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Other References for CVE-2021-36440 (1)
-
https://github.com/star7th/showdoc/issues/1406 x_refsource_MISC
Same Patch Batch · n/a · 2021-09-08 · 19 CVEs total
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| CVE-2020-19138 | DotCMS 代码问题漏洞 | |
| CVE-2020-19137 | Autumn 安全漏洞 | |
| CVE-2021-40797 | OpenStack 安全漏洞 | |
| CVE-2021-40537 | owncloud 代码问题漏洞 | |
| CVE-2021-31274 | Librenms 跨站脚本漏洞 | |
| CVE-2021-21996 | Saltstack SaltStack Salt 安全漏洞 | |
| CVE-2021-33981 | Fish Hunt FL 信息泄露漏洞 | |
| CVE-2021-40346 | Haproxy HAProxy 输入验证错误漏洞 | |
| CVE-2021-21897 | Ribbonsoft dxflib 数字错误漏洞 | |
| CVE-2021-22004 | SaltStack Salt竞争条件问题漏洞 | |
| CVE-2021-36695 | Deskpro 跨站脚本漏洞 | |
| CVE-2021-40377 | Smartertools SmarterTools SmarterMail 跨站脚本漏洞 | |
| CVE-2021-40812 | GD Graphics Library 缓冲区错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-36440
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