CVE-2021-21297 - CVE House
Back to Database
Status published High CVE-2021-21297

Prototype Pollution in Node-Red

Vulnerability Description

Node-Red is a low-code programming for event-driven applications built using nodejs. Node-RED 1.2.7 and earlier contains a Prototype Pollution vulnerability in the admin API. A badly formed request can modify the prototype of the default JavaScript Object with the potential to affect the default behaviour of the Node-RED runtime. The vulnerability is patched in the 1.2.8 release. A workaround is to ensure only authorized users are able to access the editor url.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-21297

Credits & Attribution

No credits recorded in the NVD database.

References

More from node-red

View All →
CVE-2021-21298
Path traversal in Node-Red
Low 3.5

Affected Vendor

Affected Software

node-red
Vulnerable Versions:
< 1.2.8

Timeline

Official Publish: February 26th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Weaknesses (CWE)

CWE-1321 CWE-915

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.