CVE-2020-13166: Mylittletools Mylittleadmin

Critical severity, CVSS 9.8. EPSS: 77.6% chance of exploitation in the next 30 days.

The management tool in MyLittleAdmin 3.8 allows remote attackers to execute arbitrary code because machineKey is hardcoded (the same for all customers' installations) in web.config, and can be used to send serialized ASP code.

Affected products

• Mylittletools Mylittleadmin: version 3.8 only

Published 2020-05-19. Last modified 2026-06-17.