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CVE-2021-3918— Prototype Pollution in kriszyp/json-schema

Quick assessment

Affected
kriszyp kriszyp/json-schema
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.

json-schema是这是 JSON Schema 规范和实现的早期开发的历史存储库。 json-schema 存在安全漏洞，该漏洞源于json-schema容易受到对象原型属性控制不当的影响(“原型污染”)。

AI Predicted 5.3 Difficulty: Easy EPSS 3.83% · P89

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-3918

Vulnerability Information
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Vulnerability Title
Prototype Pollution in kriszyp/json-schema
Source: CVE Program / CVE List V5
Vulnerability Description
json-schema is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1321
Source: CVE Program / CVE List V5
Vulnerability Title
json-schema 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
json-schema是这是 JSON Schema 规范和实现的早期开发的历史存储库。 json-schema 存在安全漏洞，该漏洞源于json-schema容易受到对象原型属性控制不当的影响(“原型污染”)。
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
kriszyp kriszyp/json-schema unspecified ~ 0.3.0 -

II. Public POCs for CVE-2021-3918

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-3918

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Patches & Fixes for CVE-2021-3918 (1)

Vendor Advisories for CVE-2021-3918 (1)

Mailing List Discussions for CVE-2021-3918 (1)

IV. Related Vulnerabilities

Same vendor: kriszyp
Same weakness: CWE-1321

V. Comments for CVE-2021-3918

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