QSearchQSearch

CVE-2021-42330

8.8 HIGH

The “Teacher Edit” function of ShinHer StudyOnline System does not perform authority control

Published: 2021-10-15 · Last updated: 2026-06-17

Severity and scoring

CVSS
8.8 HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-285

Affected products

VendorProduct
xinheinformationxinhe_teaching_platform_system

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.

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2021-42332 — The “List View” function of ShinHer StudyOnline System is not under authority control (4.3 MEDIUM)
  • CVE-2021-42331 — The “Study Edit” function of ShinHer StudyOnline System does not perform permission control (5.4 MEDIUM)
  • CVE-2021-42329 — The “List_Add” function of message board of ShinHer StudyOnline System does not filter special characters in the title parameter (5.4 MEDIUM)

Same CWE

  • CVE-2026-12213 — A vulnerability was found in hcengineering Huly Platform up to 0.7.0 (4.3 MEDIUM)
  • CVE-2026-12204 — A vulnerability was determined in ShopXO up to 6.7.1 (7.3 HIGH)
  • CVE-2026-12190 — A vulnerability has been found in Genspark AI Workspace App 2.8.4 on Android (5.3 MEDIUM)
  • CVE-2026-12189 — A flaw has been found in Moovit Bus & Public Transit App 1.18 on Android (5.3 MEDIUM)
  • CVE-2026-49397 — Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool (5.3 MEDIUM)