CVE-2020-10221: rConfig OS Command Injection Vulnerability

High severity, CVSS 8.8. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 77.1% chance of exploitation in the next 30 days.

lib/ajaxHandlers/ajaxAddTemplate.php in rConfig through 3.94 allows remote attackers to execute arbitrary OS commands via shell metacharacters in the fileName POST parameter.

Affected products

  • rConfig rConfig: up to and including 3.9.4

Published 2020-03-08. Last modified 2026-06-17.