CVE-2021-3649— Inefficient Regular Expression Complexity in chatwoot/chatwoot
Get alerts for future matching vulnerabilitiesLog 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View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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: NVD (National Vulnerability Database)
Vulnerability Description
chatwoot is vulnerable to Inefficient Regular Expression Complexity
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1333
Source: NVD (National Vulnerability Database)
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 POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-3649
请登录查看更多情报信息。
- https://huntr.dev/bounties/1625088985607-chatwoot/chatwootx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-3649
IV. Related Vulnerabilities
Same product: chatwoot/chatwoot
Same vendor: chatwoot
- CVE-2024-0640
Stored XSS in chatwoot/chatwoot - CVE-2025-21628
Chatwoot has a Blind SQL-injection in Conversation and Conta - CVE-2021-3740
Session Fixation in chatwoot/chatwoot - CVE-2021-3742
Server-Side Request Forgery (SSRF) in chatwoot/chatwoot - CVE-2021-3741
Stored Cross-site Scripting (XSS) in chatwoot/chatwoot
Same weakness: CWE-1333
- CVE-2026-33079
Mistune ReDoS in LINK_TITLE_RE allows denial of service with - CVE-2026-41040
GROWI 安全漏洞 - CVE-2026-40319
Giskard has a Regular Expression Denial of Service (ReDoS) i - CVE-2026-5986
Zod jsVideoUrlParser util.js getTime redos - CVE-2026-35041
ReDoS in fast-jwt when using RegExp in allowed* leading to C
V. Comments for CVE-2021-3649
No comments yet