CVE-2021-20280
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 存在跨站脚本漏洞，该漏洞源于Text-based反馈答案，以下产品及版本受到影响：3.10.2、3.9.5、3.8.8、3.5.17之前。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-20280
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Text-based feedback answers required additional sanitizing to prevent stored XSS and blind SSRF risks 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
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Moodle 跨站脚本漏洞
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 存在跨站脚本漏洞，该漏洞源于Text-based反馈答案，以下产品及版本受到影响：3.10.2、3.9.5、3.8.8、3.5.17之前。
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-2021-20280
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-20280 (1)
-
https://bugzilla.redhat.com/show_bug.cgi?id=1939037 x_refsource_MISC
Exploits & Public PoCs for CVE-2021-20280 (1)
Mailing List Discussions for CVE-2021-20280 (3)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/ vendor-advisory x_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/ vendor-advisory x_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FGOMHMYM3WICJ6D6U22Z6LPJGT5A6MZM/ vendor-advisory x_refsource_FEDORA
Other References for CVE-2021-20280 (1)
-
https://moodle.org/mod/forum/discuss.php?d=419651 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
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-
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V. Comments for CVE-2021-20280
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