CVE-2021-42136
Quick assessment
Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
REDCap是一款数据收集和管理Web应用程序。 REDCap 11.2.5 存在安全漏洞，该漏洞允许远程攻击者通过将所述代码存储为缺失数据代码值来在客户端浏览器中执行 JavaScript 代码。然后可以利用它来执行跨站点请求伪造攻击，以将权限提升给管理员。
Public Exploits 1
ExploitDB · 1
EDB-50877 [webapps]
Possible ATT&CK Techniques 3 AI
T1059.007 · JavaScript T1189 · Drive-by Compromise T1528 · Steal Application Access Token
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I. Basic Information for CVE-2021-42136
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A stored Cross-Site Scripting (XSS) vulnerability in the Missing Data Codes functionality of REDCap before 11.4.0 allows remote attackers to execute JavaScript code in the client's browser by storing said code as a Missing Data Code value. This can then be leveraged to execute a Cross-Site Request Forgery attack to escalate privileges to administrator.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
REDCap 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
REDCap是一款数据收集和管理Web应用程序。 REDCap 11.2.5 存在安全漏洞，该漏洞允许远程攻击者通过将所述代码存储为缺失数据代码值来在客户端浏览器中执行 JavaScript 代码。然后可以利用它来执行跨站点请求伪造攻击，以将权限提升给管理员。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-42136
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Exploits & Public PoCs for CVE-2021-42136 (1)
Other References for CVE-2021-42136 (2)
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https://www.project-redcap.org/ x_refsource_MISC
-
https://redcap.med.usc.edu/_shib/assets/ChangeLog_Standard.pdf x_refsource_MISC
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IV. Related Vulnerabilities
V. Comments for CVE-2021-42136
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