CVE-2021-40693
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I. Basic Information for CVE-2021-40693
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An authentication bypass risk was identified in the external database authentication functionality, due to a type juggling vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Moodle 授权问题漏洞
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 存在授权问题漏洞，该漏洞源于外部数据库身份验证功能中的类型杂耍问题。远程攻击者可以绕过身份验证过程并获得对应用程序的未经授权的访问。
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-2021-40693
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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- https://bugzilla.redhat.com/show_bug.cgi?id=2043417x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-40693
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
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SQL injection risk in course search module list filter - CVE-2025-26532
Teachers can evade trusttext config when restoring glossary - CVE-2025-26531
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V. Comments for CVE-2021-40693
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