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CVE-2020-37113— GUnet OpenEclass 1.7.3 E-learning platform - File Upload Extension Bypass

Quick assessment

Affected
Openeclass GUnet OpenEclass
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.

GUnet OpenEclass是希腊GUnet公司的一个学习管理系统。 GUnet OpenEclass 1.7.3版本存在代码问题漏洞，该漏洞源于允许绕过文件扩展名限制上传PHP文件，可能导致远程代码执行。

CVSS 8.8 · High EPSS 0.91% · P59

Affected Version Matrix 1

VendorProduct Version RangeStatus
Openeclass GUnet OpenEclass 1.7.3 (2007) affected
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I. Basic Information for CVE-2020-37113

Vulnerability Information
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Vulnerability Title
GUnet OpenEclass 1.7.3 E-learning platform - File Upload Extension Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
GUnet OpenEclass 1.7.3 allows authenticated users to bypass file extension restrictions when uploading files. By renaming a PHP file to .php3 or .PhP, an attacker can upload a web shell and execute arbitrary code on the server. This vulnerability enables remote code execution by bypassing the intended file type checks in the exercise submission feature.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
GUnet OpenEclass 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GUnet OpenEclass是希腊GUnet公司的一个学习管理系统。 GUnet OpenEclass 1.7.3版本存在代码问题漏洞，该漏洞源于允许绕过文件扩展名限制上传PHP文件，可能导致远程代码执行。
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
Openeclass GUnet OpenEclass 1.7.3 (2007) -

II. Public POCs for CVE-2020-37113

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III. Intelligence Information for CVE-2020-37113

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Exploits & Public PoCs for CVE-2020-37113 (1)

Same Patch Batch · Openeclass · 2026-02-03 · 5 CVEs total

CVE-2020-37116 8.8 HIGH GUnet OpenEclass 1.7.3 E-learning platform - phpMyAdmin Remote Access
CVE-2020-37112 7.1 HIGH GUnet OpenEclass 1.7.3 E-learning platform - 'month' SQL Injection
CVE-2020-37115 6.5 MEDIUM GUnet OpenEclass 1.7.3 E-learning platform - Plaintext Password Storage
CVE-2020-37114 4.3 MEDIUM GUnet OpenEclass 1.7.3 E-learning platform - Information Disclosure

IV. Related Vulnerabilities

Same product: GUnet OpenEclass
Same vendor: Openeclass
Same weakness: CWE-434

V. Comments for CVE-2020-37113

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