Unknown · Zenario Cms · CVE-2021-42171
**Name of the Vulnerable Software and Affected Versions**
Zenario CMS version 9.0.54156
**Description**
The issue allows an attacker to compromise the web server by uploading and executing a web-shell, which can be used to run commands, browse system files, browse local resources, attack other servers, and exploit local vulnerabilities.
**Recommendations**
For Zenario CMS version 9.0.54156, consider restricting file upload capabilities to prevent the execution of malicious scripts until a fix is available. As a temporary workaround, monitor file uploads closely and restrict access to sensitive system files and resources.