CVE-2021-42330

HIGH

ShinHer StudyOnline System - Unauthenticated Improper Authorization via Teacher Edit Function

Title source: llm

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.

References (1)

Core 1

Core References

Third Party Advisory x_refsource_misc

https://www.twcert.org.tw/tw/cp-132-5200-3d3ca-1.html

Scores

CVSS v3 8.8

EPSS 0.0095

EPSS Percentile 56.6%

Attack Vector NETWORK

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

Details

CWE

CWE-285

Status published

Products (1)

xinheinformation/xinhe_teaching_platform_system v2021

Published Oct 15, 2021

Tracked Since Feb 18, 2026