CVE-2021-27990: Appspace

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

Appspace 6.2.4 is vulnerable to a broken authentication mechanism where pages such as /medianet/mail.aspx can be called directly and the framework is exposed with layouts, menus and functionalities.

Affected products

• Appspace Appspace: version 6.2.4 only

Published 2021-04-14. Last modified 2026-07-09.