CVE-2021-31933
Quick assessment
Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Chamilo LMS是Chamilo协会的一套开源的在线学习和协作系统。该系统支持创建教学内容、远程培训和在线答题等。 Chamilo 1.11.14版本及之前版本存在安全漏洞，该漏洞源于对用于文件上传的参数进行不正确的输入无害化处理，以及对某些文件名(例如.phar或.pht)进行不正确的文件扩展名过滤。
Public Exploits 1
ExploitDB · 1
EDB-49867 [webapps]
Possible ATT&CK Techniques 3 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application T1505.003 · Web Shell
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I. Basic Information for CVE-2021-31933
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A remote code execution vulnerability exists in Chamilo through 1.11.14 due to improper input sanitization of a parameter used for file uploads, and improper file-extension filtering for certain filenames (e.g., .phar or .pht). A remote authenticated administrator is able to upload a file containing arbitrary PHP code into specific directories via main/inc/lib/fileUpload.lib.php directory traversal to achieve PHP code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Chamilo 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Chamilo LMS是Chamilo协会的一套开源的在线学习和协作系统。该系统支持创建教学内容、远程培训和在线答题等。 Chamilo 1.11.14版本及之前版本存在安全漏洞，该漏洞源于对用于文件上传的参数进行不正确的输入无害化处理，以及对某些文件名(例如.phar或.pht)进行不正确的文件扩展名过滤。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-31933
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-31933 (2)
Exploits & Public PoCs for CVE-2021-31933 (1)
-
Packet Storm x_refsource_MISC
Other References for CVE-2021-31933 (1)
Same Patch Batch · n/a · 2021-04-30 · 22 CVEs total
| CVE-2020-7731 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2021-31231 | Grafana 输入验证错误漏洞 | |
| CVE-2021-31873 | klibc 输入验证错误漏洞 | |
| CVE-2021-31919 | Rust rkyv crate 安全漏洞 | |
| CVE-2021-31871 | klibc 输入验证错误漏洞 | |
| CVE-2021-31872 | klibc 输入验证错误漏洞 | |
| CVE-2021-31870 | klibc 输入验证错误漏洞 | |
| CVE-2021-26807 | Boost Connect community Galaxy Client 代码问题漏洞 | |
| CVE-2020-1721 | pki-core 跨站脚本漏洞 | |
| CVE-2021-20266 | Red Hat Package Manager 缓冲区错误漏洞 | |
| CVE-2020-24918 | Ambarella Oryx RTSP Server 缓冲区错误漏洞 | |
| CVE-2021-28959 | Zoho ManageEngine Eventlog Analyzer 路径遍历漏洞 | |
| CVE-2021-31792 | SuiteCRM 跨站脚本漏洞 | |
| CVE-2021-31232 | cortex 输入验证错误漏洞 | |
| CVE-2020-27519 | pritunl 安全漏洞 | |
| CVE-2021-31926 | CubeCoders AMP 安全漏洞 | |
| CVE-2020-18084 | Yzmcms 跨站脚本漏洞 | |
| CVE-2020-28943 | Open-xchange OX App Suite 代码问题漏洞 | |
| CVE-2020-28944 | Open-Xchange OX App Suite 资源管理错误漏洞 | |
| CVE-2021-31935 | Open-xchange OX App Suite 跨站脚本漏洞 |
Showing top 20 of 22 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-31933
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