Uncontrolled Access to User Credentials and Personal Information in ShinHer StudyOnline System

Uncontrolled Access to User Credentials and Personal Information in ShinHer StudyOnline System

CVE-2021-42330 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

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