Uncontrolled Access and Editing of Tutorial Schedules in ShinHer StudyOnline System
CVE-2021-42331 · MEDIUM Severity
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
The “Study Edit” function of ShinHer StudyOnline System does not perform permission control. After logging in with user’s privilege, remote attackers can access and edit other users’ tutorial schedule by crafting URL parameters.
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