Security readout for executives and security teams
REDCap versions before 11.4.0 allowed malicious script to be saved in Missing Data Codes. When another user viewed affected content, the script could run in that user’s browser. The CVE states this could support a cross-site request forgery path to administrator privilege escalation. Organizations running REDCap before 11.4.0 are the relevant exposure group, especially where users can create or modify Missing Data Codes and administrators later view affected project settings or records. Prioritize remediation for internet-facing or multi-user REDCap deployments. The business concern is not only script execution, but the source-stated path to administrator privilege escalation in a clinical research platform. Mitigation focus: Upgrade REDCap to version 11.4.0 or later where feasible.; Check REDCap vendor changelog and local support guidance for the applicable fixed release.; Review Missing Data Codes for script-like or unexpected values..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2021-42136 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.project-redcap.org/CVE reference · x_refsource_MISC
- https://redcap.med.usc.edu/_shib/assets/ChangeLog_Standard.pdfCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.