The School Manage System before 2020, developed by ALLE INFORMATION CO., LTD., contains a vulnerability of SQL Injection, an attacker can use a union based injection query string to get databases schema and username/password.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10505
Reference (s):
- https://www.chtsecurity.com/news/be93c576-e421-489f-9453-a462bdd4c90d
- https://www.twcert.org.tw/tw/cp-132-3530-53d32-1.html