CVE-2021-21297
High
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.
SeverityHigh
CVSS7.7
Exploit probability—
ProductNodered Node-red
PublishedFeb 26, 2021
First seenFeb 26, 2021
Weakness typeCWE-1321Prototype pollutionCWE-915CWE-915
How to fix
Update
- nodered node-red1.2.8 or later
- @node-red/runtime1.2.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nodered node-red | v < 1.2.8 | 1.2.8 |
| @node-red/runtimenpm | v < 1.2.8 | 1.2.8 |
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