CVE-2021-20282
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 存在安全漏洞，该漏洞源于不需要访问验证电子邮件链接secret。以下产品及版本受到影响:moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17。
Possible ATT&CK Techniques 1 AI
T1136 · Create Account
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2021-20282
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When creating a user account, it was possible to verify the account without having access to the verification email link/secret in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Moodle 安全漏洞
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 存在安全漏洞，该漏洞源于不需要访问验证电子邮件链接secret。以下产品及版本受到影响:moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17。
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 | Fixed in 3.10.2, 3.9.5, 3.8.8, 3.5.17 | - |
|
II. Public POCs for CVE-2021-20282
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-20282
请登录查看更多情报信息。
Mailing List Discussions for CVE-2021-20282 (2)
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/ vendor-advisory x_refsource_FEDORA
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/ vendor-advisory x_refsource_FEDORA
Other References for CVE-2021-20282 (1)
-
https://moodle.org/mod/forum/discuss.php?d=419653 x_refsource_MISC
Same Patch Batch · n/a · 2021-03-15 · 45 CVEs total
| CVE-2021-23355 | 5.6 MEDIUM | Arbitrary Command Injection |
| CVE-2021-23356 | 5.6 MEDIUM | Arbitrary Command Injection |
| CVE-2021-28378 | 3.7 LOW | Gitea 跨站脚本漏洞 |
| CVE-2021-23357 | 3.3 LOW | Directory Traversal |
| CVE-2021-26924 | Argo 跨站脚本漏洞 | |
| CVE-2021-27893 | SSH.COM SSH Tectia Client and Server 安全漏洞 | |
| CVE-2021-27891 | SSH.COM SSH Tectia Client and Server 安全漏洞 | |
| CVE-2021-27208 | Xilinx Zynq-7000 安全特征问题漏洞 | |
| CVE-2021-28379 | Vesta Control Panel 代码问题漏洞 | |
| CVE-2021-28374 | Debian courier-authlib 配置错误漏洞 | |
| CVE-2021-28375 | Linux kernel 安全漏洞 | |
| CVE-2021-28363 | urllib3 信任管理问题漏洞 | |
| CVE-2020-35358 | Domainmod 代码问题漏洞 | |
| CVE-2021-26923 | Argo 信息泄露漏洞 | |
| CVE-2021-27892 | SSH.COM SSH Tectia Client and Server 安全漏洞 | |
| CVE-2021-3167 | Cloudera Data Engineering 信息泄露漏洞 | |
| CVE-2021-27695 | Tecnoteca openMAINT 跨站脚本漏洞 | |
| CVE-2020-24877 | Depy zzzphp SQL注入漏洞 | |
| CVE-2021-27817 | ShopXO 代码问题漏洞 | |
| CVE-2021-27889 | MyBB 跨站脚本漏洞 |
Showing top 20 of 45 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
Same vendor: n/a
-
CVE-2026-78187
Piwigo Public Authentication cross site scripting -
CVE-2026-78186
Open5GS HSS hss-cx-path.c assertion -
CVE-2026-78178
jQWidgets jqx-all.js jqxBaseFramework.extend prototype pollu -
CVE-2026-78158
Open5GS AMF UEContextReleaseRequest Path improper authorizat -
CVE-2026-78157
Open5GS Rx AA-Request pcrf-rx-path.c pcrf_rx_aar_cb out-of-b
Same weakness: CWE-863
-
CVE-2026-75542
OAuth token exchange grants repository scopes for organizati -
CVE-2026-77923
Dolibarr 21.0.0 < 24.0.0 Authorization Bypass via clonetasks -
CVE-2026-71510
Dolibarr < 24.0.0 Users REST API SQL Injection via filter pa -
CVE-2026-71506
Dolibarr < 24.0.0 Payments REST API Improper Authorization v -
CVE-2026-19685
Networkmanager: networkmanager: 802-1x ca-path and phase2-ca
V. Comments for CVE-2021-20282
No comments yet