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CVE-2021-21297— Prototype Pollution in Node-Red

Quick assessment

Affected
node-red node-red
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Node-Red是开源的一种基于流的可视化编程开发工具，用于将硬件设备，API和在线服务作为物联网的一部分连接在一起。 Node-Red 存在安全漏洞，该漏洞源于admin API包含一个Prototype Pollution漏洞。格式错误的请求可能会修改默认JavaScript对象的原型。

CVSS 7.7 · High EPSS 1.40% · P71

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-21297

Vulnerability Information
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Vulnerability Title
Prototype Pollution in Node-Red
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1321
Source: CVE Program / CVE List V5
Vulnerability Title
Node-Red 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Node-Red是开源的一种基于流的可视化编程开发工具，用于将硬件设备，API和在线服务作为物联网的一部分连接在一起。 Node-Red 存在安全漏洞，该漏洞源于admin API包含一个Prototype Pollution漏洞。格式错误的请求可能会修改默认JavaScript对象的原型。
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
node-red node-red < 1.2.8 -

II. Public POCs for CVE-2021-21297

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III. Intelligence Information for CVE-2021-21297

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Vendor Advisories for CVE-2021-21297 (1)

Other References for CVE-2021-21297 (3)

IV. Related Vulnerabilities

Same product: node-red
Same vendor: node-red
Same weakness: CWE-1321

V. Comments for CVE-2021-21297

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