CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2021-42669
Critical (9.8) in engineers online portal project engineers online portal. EPSS 23% chance of exploitation in the next 30 days.
A file upload vulnerability exists in Sourcecodester Engineers Online Portal in PHP via dashboard_teacher.php, which allows changing the avatar through teacher_avatar.php. Once an avatar gets uploaded it is getting uploaded to the /admin/uploads/ directory, and is accessible by all users. By uploading a php webshell containing "<?php system($_GET["cmd"]); ?>" the attacker can execute commands on the web server with - /admin/uploads/php-webshell?cmd=id.
Severity
- EPSS
- 23% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)
- CWE
- CWE-434
- Published
- Modified
- Record from
- the NVD, synced
Affected
- engineers_online_portal_project:engineers_online_portal
References
- https://github.com/TheHackingRabbi/CVE-2021-42669
- https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671
- https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html
- https://github.com/TheHackingRabbi/CVE-2021-42669
- https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671