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CVE-2021-3804— Inefficient Regular Expression Complexity in nervjs/taro

Quick assessment

Affected
nervjs nervjs/taro
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.

Taro是是一个开放式跨端跨框架解决方案。 taro 存在安全漏洞，该漏洞源于易受低效正则表达式复杂性的影响。

AI Predicted 7.5 Difficulty: Easy EPSS 1.26% · P68

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2021-3804

Vulnerability Information
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Vulnerability Title
Inefficient Regular Expression Complexity in nervjs/taro
Source: CVE Program / CVE List V5
Vulnerability Description
taro is vulnerable to Inefficient Regular Expression Complexity
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1333
Source: CVE Program / CVE List V5
Vulnerability Title
taro 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Taro是是一个开放式跨端跨框架解决方案。 taro 存在安全漏洞，该漏洞源于易受低效正则表达式复杂性的影响。
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
nervjs nervjs/taro unspecified ~ 3.3.8 -

II. Public POCs for CVE-2021-3804

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-3804

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Patches & Fixes for CVE-2021-3804 (1)

Vendor Advisories for CVE-2021-3804 (1)

IV. Related Vulnerabilities

Same weakness: CWE-1333

V. Comments for CVE-2021-3804

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