Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

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

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 存在授权问题漏洞，该漏洞源于ShinHer StudyOnline系统的Study Edit功能不进行权限控制。攻击者可利用该漏洞通过创建URL参数访问和编辑其他用户教程计划。

CVSS 5.4 · Medium EPSS 0.64% · P49

Possible ATT&CK Techniques 1 AI

T1552 · Unsecured Credentials
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-42331

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-2
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/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 授权问题漏洞
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 存在授权问题漏洞，该漏洞源于ShinHer StudyOnline系统的Study Edit功能不进行权限控制。攻击者可利用该漏洞通过创建URL参数访问和编辑其他用户教程计划。
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-2021-42331

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-42331

请登录查看更多情报信息。

Other References for CVE-2021-42331 (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-2021-42332 4.3 MEDIUM ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-3

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-42331

No comments yet

Leave a comment