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CVE-2021-3801— Inefficient Regular Expression Complexity in prismjs/prism

Quick assessment

Affected
prismjs prismjs/prism
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.

Prism是美国Prism个人开发者的一个应用软件。是一种轻量级的，可扩展的语法突出显示工具。 Prism 存在安全漏洞，该漏洞源于Prism容易受到低效正则表达式复杂性的影响。

AI Predicted 5.3 Difficulty: Easy EPSS 1.04% · P62

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2021-3801

Vulnerability Information
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Vulnerability Title
Inefficient Regular Expression Complexity in prismjs/prism
Source: CVE Program / CVE List V5
Vulnerability Description
prism 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
Prism 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Prism是美国Prism个人开发者的一个应用软件。是一种轻量级的，可扩展的语法突出显示工具。 Prism 存在安全漏洞，该漏洞源于Prism容易受到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
prismjs prismjs/prism unspecified ~ 1.24.1 -

II. Public POCs for CVE-2021-3801

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-3801

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Patches & Fixes for CVE-2021-3801 (1)

Vendor Advisories for CVE-2021-3801 (1)

IV. Related Vulnerabilities

Same vendor: prismjs
Same weakness: CWE-1333

V. Comments for CVE-2021-3801

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