CVE-2021-26551: Smartfoxserver

High severity, CVSS 8.8. EPSS: 2.6% chance of exploitation in the next 30 days.

An issue was discovered in SmartFoxServer 2.17.0. An attacker can execute arbitrary Python code, and bypass the javashell.py protection mechanism, by creating /config/ConsoleModuleUnlock.txt and editing /config/admin/admintool.xml to enable the Console module.

Affected products

• Smartfoxserver Smartfoxserver: version 2.17.0 only

Published 2021-02-09. Last modified 2026-06-17.