Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-3649— Inefficient Regular Expression Complexity in chatwoot/chatwoot

Quick assessment

Affected
chatwoot chatwoot/chatwoot
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.

chatwoot是一个应用软件。客户参与套件，对讲、Zendesk、Salesforce 服务云等的开源替代方案。 chatwoot 存在安全漏洞，该漏洞源于chatwoot容易受到低效正则表达式复杂性的影响。

AI Predicted 5.3 Difficulty: Easy EPSS 1.22% · P67

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-3649

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Inefficient Regular Expression Complexity in chatwoot/chatwoot
Source: CVE Program / CVE List V5
Vulnerability Description
chatwoot 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
chatwoot 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
chatwoot是一个应用软件。客户参与套件，对讲、Zendesk、Salesforce 服务云等的开源替代方案。 chatwoot 存在安全漏洞，该漏洞源于chatwoot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
chatwoot chatwoot/chatwoot unspecified ~ 1.11.1 -

II. Public POCs for CVE-2021-3649

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-3649

请登录查看更多情报信息。

Patches & Fixes for CVE-2021-3649 (1)

Vendor Advisories for CVE-2021-3649 (1)

IV. Related Vulnerabilities

Same product: chatwoot/chatwoot
Same vendor: chatwoot
Same weakness: CWE-1333

V. Comments for CVE-2021-3649

No comments yet

Leave a comment