CVE-2021-42669

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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. 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 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://github.com/TheHackingRabbi/CVE-2021-42669 Exploit Third Party Advisory
https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671 Exploit Third Party Advisory
https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html Product Third Party Advisory
https://github.com/TheHackingRabbi/CVE-2021-42669 Exploit Third Party Advisory
https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671 Exploit Third Party Advisory
https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html Product Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:engineers_online_portal_project:engineers_online_portal:-:*:*:*:*:*:*:*
History

21 Nov 2024, 06:27

Type Values Removed Values Added
References () https://github.com/TheHackingRabbi/CVE-2021-42669 - Exploit, Third Party Advisory () https://github.com/TheHackingRabbi/CVE-2021-42669 - Exploit, Third Party Advisory
References () https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671 - Exploit, Third Party Advisory () https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671 - Exploit, Third Party Advisory
References () https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html - Product, Third Party Advisory () https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html - Product, Third Party Advisory

29 Nov 2021, 17:13

Type Values Removed Values Added
References (MISC) https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671 - (MISC) https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671 - Exploit, Third Party Advisory

24 Nov 2021, 20:15

Type Values Removed Values Added
References
  • (MISC) https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671 -

09 Nov 2021, 15:10

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 10.0
v3 : 9.8
CPE cpe:2.3:a:engineers_online_portal_project:engineers_online_portal:-:*:*:*:*:*:*:*
CWE CWE-434
References (MISC) https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html - (MISC) https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html - Product, Third Party Advisory
References (MISC) https://github.com/TheHackingRabbi/CVE-2021-42669 - (MISC) https://github.com/TheHackingRabbi/CVE-2021-42669 - Exploit, Third Party Advisory

05 Nov 2021, 13:41

Type Values Removed Values Added
New CVE
Information

Published : 2021-11-05 13:15

Updated : 2024-11-21 06:27

NVD link : CVE-2021-42669

Mitre link : CVE-2021-42669

CVE.ORG link : CVE-2021-42669

JSON object : View

Products Affected

engineers_online_portal_project

  • engineers_online_portal
CWE
CWE-434

Unrestricted Upload of File with Dangerous Type