CVE-2021-42330: Xinheinformation Xinhe Teaching Platform System

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

The “Teacher Edit” function of ShinHer StudyOnline System does not perform authority control. After logging in with user’s privilege, remote attackers can access and edit other users’ credential and personal information by crafting URL parameters.

Affected products

• Xinheinformation Xinhe Teaching Platform System: version v2021 only

Published 2021-10-15. Last modified 2026-06-17.