CVE-2021-42331 MEDIUM

CVE-2021-42331: ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-2

Vendor Shinher Information Co., Ltd.
Product ShinHer StudyOnline System
Weakness CWE-285
Published October 15, 2021
Last update September 17, 2024

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 15, 2021 CVE published
September 17, 2024 Record updated