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CVE-2021-21809

Quick assessment

Affected
n/a Moodle
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.

Moodle是一套免费、开源的电子学习软件平台，也称课程管理系统、学习管理系统或虚拟学习环境。 Moodle 3.10 存在操作系统命令注入漏洞，该漏洞源于特殊构造的HTTP请求，可以导致命令执行。该漏洞必须具有管理员权限才能利用。

AI Predicted 7.5 Difficulty: Easy EPSS 24.17% · P98

Public Exploits 1

Metasploit · 1 moodle_spelling_path_rce.rb [exploit]

Possible ATT&CK Techniques 1 AI

T1059.004 · Unix Shell
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I. Basic Information for CVE-2021-21809

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A command execution vulnerability exists in the default legacy spellchecker plugin in Moodle 3.10. A specially crafted series of HTTP requests can lead to command execution. An attacker must have administrator privileges to exploit this vulnerabilities.
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
Moodle 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Moodle是一套免费、开源的电子学习软件平台，也称课程管理系统、学习管理系统或虚拟学习环境。 Moodle 3.10 存在操作系统命令注入漏洞，该漏洞源于特殊构造的HTTP请求，可以导致命令执行。该漏洞必须具有管理员权限才能利用。
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
- Moodle Moodle 3.10 -

II. Public POCs for CVE-2021-21809

# POC Description Source Link Shenlong Link
1 CVE-2021-21809 POC https://github.com/anldori/CVE-2021-21809 POC Details
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III. Intelligence Information for CVE-2021-21809

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Exploits & Public PoCs for CVE-2021-21809 (1)

Other References for CVE-2021-21809 (1)

Same Patch Batch · n/a · 2021-06-23 · 24 CVEs total

CVE-2021-33624 Linux kernel 安全漏洞
CVE-2021-35041 FISCO BCOS 输入验证错误漏洞
CVE-2021-34071 Daniel Kamil Kozar tsMuxer 缓冲区错误漏洞
CVE-2021-34070 Daniel Kamil Kozar tsMuxer 缓冲区错误漏洞
CVE-2021-34069 Daniel Kamil Kozar tsMuxer 数字错误漏洞
CVE-2021-34068 Daniel Kamil Kozar tsMuxer 缓冲区错误漏洞
CVE-2021-34067 Daniel Kamil Kozar tsMuxer 缓冲区错误漏洞
CVE-2020-18660 GetSimpleCMS 输入验证错误漏洞
CVE-2020-18659 getsimplecms 跨站脚本漏洞
CVE-2020-18658 getsimplecms 跨站脚本漏洞
CVE-2020-18657 getsimplecms 跨站脚本漏洞
CVE-2020-23962 Catfish CMS 跨站脚本漏洞
CVE-2021-35210 Contao 跨站脚本漏洞
CVE-2020-20392 Imcat SQL注入漏洞
CVE-2020-20391 getsimplecms 跨站脚本漏洞
CVE-2020-20389 getsimplecms 跨站脚本漏洞
CVE-2021-35438 phpIPAM 跨站脚本漏洞
CVE-2021-28977 GetSimpleCMS 跨站脚本漏洞
CVE-2021-28976 GetSimpleCMS 代码问题漏洞
CVE-2021-31586 Accellion Kiteworks SQL注入漏洞

Showing top 20 of 24 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Moodle
Same vendor: n/a

V. Comments for CVE-2021-21809

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