CVE-2020-23828

Severity CVSS v4.0:

Pending analysis

Type:

CWE-434 Unrestricted Upload of File with Dangerous Type

Publication date:

15/09/2020

Last modified:

21/09/2020

Description

A File Upload vulnerability in SourceCodester Online Course Registration v1.0 allows remote attackers to achieve Remote Code Execution (RCE) on the hosting webserver by uploading a crafted PHP web-shell that bypasses the image upload filters. An attack uses /Online%20Course%20Registration/my-profile.php with the POST parameter photo.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vector 2.0

AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical