CVE-2021-42332 : Vulnerability Insights and Analysis

ShinHer StudyOnline System by ShinHer Information Co., LTD. is impacted by an improper authorization vulnerability, allowing remote attackers unauthorized access to users' message boards.

Understanding CVE-2021-42332

This CVE involves a security issue in the List View function of the ShinHer StudyOnline System, leading to unauthorized data access.

What is CVE-2021-42332?

The vulnerability enables attackers, with a user's privilege, to view other users' message board content through manipulated URL parameters.

The Impact of CVE-2021-42332

The vulnerability has a CVSS base score of 4.3, categorizing it as medium severity. It affects confidentiality but has no integrity or availability impact.

Technical Details of CVE-2021-42332

The technical aspects of the vulnerability are as follows:

Vulnerability Description

CVSS Score: 4.3 (Medium)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: None

Affected Systems and Versions

Product: ShinHer StudyOnline System
Vendor: ShinHer Information Co., LTD.
Versions Affected: <= 2021 (Custom Version)

Exploitation Mechanism

The vulnerability occurs due to improper authorization controls within the List View function, allowing unauthorized data access.

Mitigation and Prevention

To address CVE-2021-42332, follow these guidelines:

Immediate Steps to Take

Update ShinHer StudyOnline System to version v2021.08.20.01

Long-Term Security Practices

Conduct regular security assessments and audits
Implement proper authorization controls
Train users on safe browsing practices

Patching and Updates

Ensure regular updates and security patches for the ShinHer StudyOnline System to mitigate the risk of unauthorized access.