CVE-2016-20052

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/4/2026

Last Modified4/4/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-434

References

https://www.exploit-db.com/exploits/40706(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/snews-cms-unrestricted-file-upload-via-snews-files(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.