CVE-2016-20052
CRITICALCVSS v3
9.8
CRITICAL
EPSS Score
—
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 4/4/2026
- Last Modified
- 4/7/2026
Frequently Asked Questions
What is CVE-2016-20052?
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.
Is CVE-2016-20052 actively exploited?
Active exploitation of CVE-2016-20052 has not been confirmed. The EPSS score is N/A%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2016-20052?
CVE-2016-20052 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string 3.1.
Is CVE-2016-20052 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.