CVE-2021-40692
Quick assessment
Affected
n/a moodle
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.
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 存在权限许可和访问控制问题漏洞，该漏洞源于能力检查不足。经过远程身份验证的攻击者可以下载课程之外的用户。
Possible ATT&CK Techniques 1 AI
T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-40692
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient capability checks made it possible for teachers to download users outside of their courses.
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 权限许可和访问控制问题漏洞
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 存在权限许可和访问控制问题漏洞，该漏洞源于能力检查不足。经过远程身份验证的攻击者可以下载课程之外的用户。
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 |
|---|---|---|---|---|
| - | moodle | 3.11 to 3.11.2, 3.10 to 3.10.6, 3.9 to 3.9.9 and earlier unsupported versions | - |
|
II. Public POCs for CVE-2021-40692
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · n/a · 2022-01-21 · 47 CVEs total
| CVE-2021-23664 | 8.6 HIGH | Server-side Request Forgery (SSRF) |
| CVE-2021-23460 | 7.5 HIGH | Prototype Pollution |
| CVE-2021-23631 | 7.5 HIGH | Directory Traversal |
| CVE-2021-23518 | 7.3 HIGH | Prototype Pollution |
| CVE-2021-46238 | GPAC 缓冲区错误漏洞 | |
| CVE-2021-46242 | HDF5 资源管理错误漏洞 | |
| CVE-2021-46244 | HDF5 数字错误漏洞 | |
| CVE-2021-39480 | Bingrep 安全漏洞 | |
| CVE-2022-23363 | g33kyrash Online Banking System SQL注入漏洞 | |
| CVE-2022-23364 | kabirkhyrul Hospital Managment System SQL注入漏洞 | |
| CVE-2022-23365 | kabirkhyrul Hospital Managment System SQL注入漏洞 | |
| CVE-2022-23366 | kabirkhyrul Hospital Managment System SQL注入漏洞 | |
| CVE-2021-46313 | GPAC 安全漏洞 | |
| CVE-2021-46239 | GPAC 资源管理错误漏洞 | |
| CVE-2021-46240 | GPAC 代码问题漏洞 | |
| CVE-2021-46237 | GPAC 代码问题漏洞 | |
| CVE-2021-46236 | GPAC 代码问题漏洞 | |
| CVE-2021-46234 | GPAC 代码问题漏洞 | |
| CVE-2021-40595 | Sourcecodester Online Leave Management System SQL注入漏洞 | |
| CVE-2021-40247 | Sourcecodester Budget And Expense Tracker System SQL注入漏洞 |
Showing top 20 of 47 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: moodle
-
CVE-2021-47857
Moodle 3.10.3 - 'label' Persistent Cross Site Scripting -
CVE-2025-53021
Moodle 授权问题漏洞 -
CVE-2025-26533
SQL injection risk in course search module list filter -
CVE-2025-26532
Teachers can evade trusttext config when restoring glossary -
CVE-2025-26531
IDOR in badges allows disabling of arbitrary badges
V. Comments for CVE-2021-40692
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