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CVE-2021-42332— ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-3

Quick assessment

Affected
ShinHer Information Co., LTD. ShinHer StudyOnline System
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ShinHer StudyOnline System是中国欣河（ShinHer）公司的一种校务系统。 ShinHer StudyOnline System 存在安全漏洞，该漏洞源于ShinHer StudyOnline系统的“列表查看”功能不受权限控制。攻击者可利用该漏洞使用用户权限登录后，可以通过设置URL参数访问其他用户的留言板内容。

CVSS 4.3 · Medium EPSS 0.76% · P53

Possible ATT&CK Techniques 1 AI

T1550.001 · Application Access Token
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I. Basic Information for CVE-2021-42332

Vulnerability Information
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Vulnerability Title
ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-3
Source: CVE Program / CVE List V5
Vulnerability Description
The “List View” function of ShinHer StudyOnline System is not under authority control. After logging in with user’s privilege, remote attackers can access the content of other users’ message boards by crafting URL parameters.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
ShinHer StudyOnline System 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ShinHer StudyOnline System是中国欣河（ShinHer）公司的一种校务系统。 ShinHer StudyOnline System 存在安全漏洞，该漏洞源于ShinHer StudyOnline系统的“列表查看”功能不受权限控制。攻击者可利用该漏洞使用用户权限登录后，可以通过设置URL参数访问其他用户的留言板内容。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ShinHer Information Co., LTD. ShinHer StudyOnline System unspecified ~ 2021 -

II. Public POCs for CVE-2021-42332

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III. Intelligence Information for CVE-2021-42332

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Other References for CVE-2021-42332 (1)

Same Patch Batch · ShinHer Information Co., LTD. · 2021-10-15 · 4 CVEs total

CVE-2021-42330 8.8 HIGH ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-1
CVE-2021-42329 5.4 MEDIUM ShinHer Information Co., LTD. ShinHer StudyOnline System - Stored XSS
CVE-2021-42331 5.4 MEDIUM ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-2

IV. Related Vulnerabilities

Same product: ShinHer StudyOnline System
Same vendor: ShinHer Information Co., LTD.
Same weakness: CWE-285

V. Comments for CVE-2021-42332

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