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CVE-2021-3757— Prototype Pollution in immerjs/immer

Quick assessment

Affected
immerjs immerjs/immer
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.

Immer是Immer社区的一个基于Javascript的状态管理库。。 Immer 中存在代码问题漏洞，该漏洞源于产品易受对象原型属性控制不当的影响。攻击者可通过该漏洞导致信息泄露、拒绝服务。

AI Predicted 5.6 Difficulty: Easy EPSS 1.65% · P75
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I. Basic Information for CVE-2021-3757

Vulnerability Information
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Vulnerability Title
Prototype Pollution in immerjs/immer
Source: CVE Program / CVE List V5
Vulnerability Description
immer 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
Immer 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Immer是Immer社区的一个基于Javascript的状态管理库。。 Immer 中存在代码问题漏洞，该漏洞源于产品易受对象原型属性控制不当的影响。攻击者可通过该漏洞导致信息泄露、拒绝服务。
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
immerjs immerjs/immer unspecified ~ 9.0.5 -

II. Public POCs for CVE-2021-3757

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-3757

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Patches & Fixes for CVE-2021-3757 (1)

Vendor Advisories for CVE-2021-3757 (1)

IV. Related Vulnerabilities

Same weakness: CWE-1321

V. Comments for CVE-2021-3757

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