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CVE-2021-3822— Inefficient Regular Expression Complexity in josdejong/jsoneditor

Quick assessment

Affected
josdejong josdejong/jsoneditor
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.

Josdejong Jsoneditor是Josdejong个人开发者的一款基于Web页面的用于查看、编辑、校验Json数据的软件。 Jsoneditor 中存在资源管理错误漏洞，该漏洞源于产品中的正则表达式存在错误。攻击者可通过该漏洞导致拒绝服务。

AI Predicted 5.3 Difficulty: Moderate EPSS 1.42% · P71

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-3822

Vulnerability Information
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Vulnerability Title
Inefficient Regular Expression Complexity in josdejong/jsoneditor
Source: CVE Program / CVE List V5
Vulnerability Description
jsoneditor 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
Josdejong Jsoneditor 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Josdejong Jsoneditor是Josdejong个人开发者的一款基于Web页面的用于查看、编辑、校验Json数据的软件。 Jsoneditor 中存在资源管理错误漏洞，该漏洞源于产品中的正则表达式存在错误。攻击者可通过该漏洞导致拒绝服务。
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
josdejong josdejong/jsoneditor unspecified ~ 9.5.6 -

II. Public POCs for CVE-2021-3822

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-3822

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Patches & Fixes for CVE-2021-3822 (1)

IV. Related Vulnerabilities

Same vendor: josdejong
Same weakness: CWE-1333

V. Comments for CVE-2021-3822

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