CVE Vulnerability

CVE-2020-21005

WellCMS 2.0 beta3 is vulnerable to File Upload. A user can log in to the CMS background and upload a picture. Because the upload file type is controllable, the user can modify the upload file type to get webshell.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/Computer2200/-/issues/4 Exploit Third Party Advisory
http://www.wellcms.cn/read-27.html&& Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:wellcms:wellcms:2.0:beta3:*:*:*:*:*:*
Information

Published : 2021-06-03 02:15

Updated : 2021-06-11 05:04

NVD link : CVE-2020-21005

Mitre link : CVE-2020-21005

Products Affected
No products.
CWE
CWE-434