CVE-2021-42580

critical

Description

Sourcecodester Online Learning System 2.0 is vunlerable to sql injection authentication bypass in admin login file (/admin/login.php) and authenticated file upload in (Master.php) file , we can craft these two vunlerablities to get unauthenticated remote command execution.

References

https://www.nu11secur1ty.com/2021/11/cve-2021-42580.html

https://www.nu11secur1ty.com/2021/09/cve-nu11-07-elearning-v2by-oretnom23-is.html

https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/CVE-nu11-07

https://github.com/DjebbarAnon/online-learning-system-v2-sqli-authentication-bypass-file-upload-unauthenticated-RCE

http://packetstormsecurity.com/files/164985/Online-Learning-System-2.0-Remote-Code-Execution.html

Details

Source: Mitre, NVD

Published: 2021-11-15

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.0188