VULNERABILITY INTELLIGENCE

CVE-2020-21005

CVSS score6.5 MEDIUM
EPSS probability0.81%
CISA KEVNot currently listed
Published2021-06-03
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

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.

Weakness classification

  • nvd@nist.gov: CWE-434

Primary references