CVE-2021-42330

ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-1

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Published Oct 15, 2021 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

ShinHer Information Co., LTD.

ShinHer StudyOnline System

affected

Version	Status	Constraints
`unspecified`	affected	≤ 2021

Configuration 1 [-]

cpe:2.3:a:xinheinformation:xinhe_teaching_platform_system:v2021:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Update ShinHer StudyOnline System to version v2021.08.20.01

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-29304	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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.981% probability within 30 days)

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Xinheinformation Xinhe Teaching Platform System

Weaknesses

Sources

CVE record Updated: Sep 16, 2024, 4:38 PM

Status: PUBLISHED
Assigner: twcert
Published: Oct 15, 2021, 12:10 PM
Updated: Sep 16, 2024, 4:38 PM
Reserved: Oct 12, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:09 AM

Status: Modified
Published: Oct 15, 2021, 12:15 PM
Modified: Jun 17, 2026, 4:09 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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