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CVE-2021-3777— Inefficient Regular Expression Complexity in daaku/nodejs-tmpl

Quick assessment

Affected
daaku daaku/nodejs-tmpl
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.

nodejs是一个基于ChromeV8引擎的JavaScript运行环境，通过对Chromev8引擎进行了封装以及使用事件驱动和非阻塞IO的应用让Javascript开发高性能的后台应用成为了可能。 nodejs-tmpl存在安全漏洞，该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。

AI Predicted 7.5 Difficulty: Easy EPSS 1.30% · P69

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2021-3777

Vulnerability Information
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Vulnerability Title
Inefficient Regular Expression Complexity in daaku/nodejs-tmpl
Source: CVE Program / CVE List V5
Vulnerability Description
nodejs-tmpl 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
nodejs-tmpl 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
nodejs是一个基于ChromeV8引擎的JavaScript运行环境，通过对Chromev8引擎进行了封装以及使用事件驱动和非阻塞IO的应用让Javascript开发高性能的后台应用成为了可能。 nodejs-tmpl存在安全漏洞，该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。
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
daaku daaku/nodejs-tmpl unspecified ~ 1.0.5 -

II. Public POCs for CVE-2021-3777

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-3777

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Patches & Fixes for CVE-2021-3777 (1)

Vendor Advisories for CVE-2021-3777 (1)

IV. Related Vulnerabilities

Same weakness: CWE-1333

V. Comments for CVE-2021-3777

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