CVE-2020-23564: Sem-CMS Semcms

High severity, CVSS 7.2. EPSS: 1.1% chance of exploitation in the next 30 days.

File Upload vulnerability in SEMCMS 3.9 allows remote attackers to run arbitrary code via SEMCMS_Upfile.php.

Affected products

• Sem-CMS Semcms: version 3.9 only

Published 2023-08-05. Last modified 2026-06-17.