VYPR
Medium severity5.4NVD Advisory· Published Oct 15, 2021· Updated Jun 17, 2026

CVE-2021-42331

CVE-2021-42331

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2

Patches

Vulnerability mechanics

References

1

News mentions

0

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