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CVE-2020-21005

nvd nist
Published: Jun 3, 2021Modified: Jun 17, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Exploitability: 2.8 / Impact: 3.6
Source: NVD

Description

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.

Affected (1)

Products: Wellcms: Wellcms
Wellcms
1 product
Wellcms
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Wellcms
Version 2.0 beta3

Related CWEs

CWE-434
Unrestricted Upload of File with Dangerous Type
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

References (4)

Source: cve@mitre.org
Vendor Advisory
Source: cve@mitre.org
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory

Timeline

No history available yet.