CVE-2021-42669

Katalog CVE

CVSS 9.8 · Critical EPSS 23,3%

Kerentanan Unrestricted Upload of File with Dangerous Type pada engineers online portal project engineers online portal. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

5 November 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-434: Unrestricted Upload of File with Dangerous Type

EPSS (30 hari)

23,3% peluang dieksploitasi; lebih tinggi dari 97,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/TheHackingRabbi/CVE-2021-42669 exploit · advisory pihak ketiga
• https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671 exploit · advisory pihak ketiga
• https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html product · advisory pihak ketiga