CVE-2021-42669
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 23.3%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 23.27% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- engineers online portal project/engineers online portal
- Source
- cve@mitre.org
References
- https://github.com/TheHackingRabbi/CVE-2021-42669Exploit, Third Party Advisory
- https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671Exploit, Third Party Advisory
- https://www.sourcecodester.com/php/13115/engineers-online-portal-php.htmlProduct, Third Party Advisory
- https://github.com/TheHackingRabbi/CVE-2021-42669Exploit, Third Party Advisory
- https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671Exploit, Third Party Advisory
- https://www.sourcecodester.com/php/13115/engineers-online-portal-php.htmlProduct, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.