CVE-2021-42330 HIGH

CVE-2021-42330: ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-1

Vendor Shinher Information Co., Ltd.
Product ShinHer StudyOnline System
Weakness CWE-285
Published October 15, 2021
Last update September 16, 2024

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 15, 2021 CVE published
September 16, 2024 Record updated