VULNERABILITY INTELLIGENCE

CVE-2016-20052

CVSS score9.3 CRITICAL
EPSS probability0.95%
CISA KEVNot currently listed
Published2026-04-04
Last modified2026-07-21
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Description

Snews CMS 1.7 contains an unrestricted file upload vulnerability that allows unauthenticated attackers to upload arbitrary files including PHP executables to the snews_files directory. Attackers can upload malicious PHP files through the multipart form-data upload endpoint and execute them by accessing the uploaded file path to achieve remote code execution.

Weakness classification

  • CWE-434: Unrestricted Upload of File with Dangerous Type

Primary references