CVE-2021-42136

CVSS V2 Low 3.5 CVSS V3 Critical 9

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.

Overview

CVE ID
CVE-2021-42136

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2022-04-13T16:15:09

Last Modified Date
2022-04-21T01:30:48

Weakness Enumerations

CWE	URL
CWE-79	http://cwe.mitre.org/data/definitions/79.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:vanderbilt:redcap::::::::	1	OR		11.4.0

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:S/C:N/I:P/A:N

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
SINGLE

Confidentiality Impact
NONE

Integrity Impact
PARTIAL

Availability Impact
NONE

Base Score
3.5

Severity
LOW

Exploitability Score
6.8

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
REQUIRED

Scope
CHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9

Base Severity
CRITICAL

Exploitability Score
2.3

Impact Score
6

References

Reference URL	Reference Tags
https://redcap.med.usc.edu/_shib/assets/ChangeLog_Standard.pdf	Release Notes Third Party Advisory
https://www.project-redcap.org/	Product
http://packetstormsecurity.com/files/166723/REDCap-Cross-Site-Scripting.html	Exploit Third Party Advisory VDB Entry

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-42136
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42136

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:27:49				Added to TrackCVE