CVE-2021-42669
critical · 9.8A 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.
9.8
CVSS
23.3%
EPSS (exploit prob.)
98th
EPSS percentile
2021-11-05
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-434
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| engineers_online_portal_project | engineers_online_portal | all versions |
Check a specific version with /api/v1/cve/match.
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
- https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2021-42669