CVE-2019-11401: Siteserver CMS

High severity, CVSS 7.2. EPSS: 2.8% chance of exploitation in the next 30 days.

A issue was discovered in SiteServer CMS 6.9.0. It allows remote attackers to execute arbitrary code because an administrator can add the permitted file extension .aassp, which is converted to .asp because the "as" substring is deleted.

Affected products

• Siteserver Siteserver CMS: version 6.9.0 only

Published 2019-04-22. Last modified 2026-06-17.