CVE-2021-42580 EXPLOIT
9.8
CRITICAL · CVSS 3.1 · EPSS 10% (pctl 95)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 9.99% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-89 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2021-11-15 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| oretnom23 | online learning system |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Online Learning System 2.0 - Remote Code Execution (RCE) | 2021-11-16 |
References
- http://packetstormsecurity.com/files/164985/Online-Learning-System-2.0-Remote-Code-Execution.html
- https://github.com/DjebbarAnon/online-learning-system-v2-sqli-authentication-bypass-file-upload-unauthenticated-RCE
- https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/CVE-nu11-07
- https://www.nu11secur1ty.com/2021/09/cve-nu11-07-elearning-v2by-oretnom23-is.html
- https://www.nu11secur1ty.com/2021/11/cve-2021-42580.html
- http://packetstormsecurity.com/files/164985/Online-Learning-System-2.0-Remote-Code-Execution.html
- https://github.com/DjebbarAnon/online-learning-system-v2-sqli-authentication-bypass-file-upload-unauthenticated-RCE
- https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/CVE-nu11-07
- https://www.nu11secur1ty.com/2021/09/cve-nu11-07-elearning-v2by-oretnom23-is.html
- https://www.nu11secur1ty.com/2021/11/cve-2021-42580.html
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