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Status published
High
CVE-2021-42330
ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-1
Vulnerability Description
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.
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 16th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H