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Status published
Medium
CVE-2021-42331
ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-2
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
ShinHer Information Co., LTD.
View all reports →Affected Software
ShinHer StudyOnline System
Vulnerable Versions:
unspecified
Timeline
Official Publish:
October 15th, 2021
Last Modified:
September 17th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N