CVE-2018-20166: Rukovoditel

High severity, CVSS 8.8. EPSS: 7.1% chance of exploitation in the next 30 days.

A file-upload vulnerability exists in Rukovoditel 2.3.1. index.php?module=configuration/save allows the user to upload a background image, and mishandles extension checking. It accepts uploads of PHP content if the first few characters match GIF data, and the filename ends in ".php" with mixed case, such as the .pHp extension.

Affected products

• Rukovoditel Rukovoditel: version 2.3.1 only

Published 2019-01-02. Last modified 2026-06-17.