CVE-2021-3813
CVE-2021-3813 is a medium-severity vulnerability in Chatwoot with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.0
- EPSS exploit prediction: 1% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-639
- Affected product: Chatwoot
- Published:
- Last modified:
Description
Improper Privilege Management in GitHub repository chatwoot/chatwoot prior to v2.2.
Frequently asked questions
- What is CVE-2021-3813?
- Improper Privilege Management in GitHub repository chatwoot/chatwoot prior to v2.2.
- How severe is CVE-2021-3813?
- CVE-2021-3813 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-3813 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-3813?
- CVE-2021-3813 affects Chatwoot. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-3813?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-3813 published?
- CVE-2021-3813 was published on 2022-02-09 and last updated on 2026-06-17.
References
- https://github.com/chatwoot/chatwoot/commit/9454c6b14f75e778ef98cf84bdafdf0ed8ae5705
- https://huntr.dev/bounties/36f02c4f-cf1c-479e-a1ad-091a1ac7cb56
Affected products (1)
- cpe:2.3:a:chatwoot:chatwoot:*:*:*:*:*:*:*:*
More vulnerabilities in Chatwoot
- CVE-2022-3741 — Critical (CVSS 9.8): Impact varies for each individual vulnerability in the application. For generation of accounts, it may be possible,…
- CVE-2025-21628 — Critical (CVSS 9.1): Chatwoot is a customer engagement suite. Prior to 3.16.0, conversation and contact filters endpoints did not sanitize…
- CVE-2021-3742 — High (CVSS 8.8): A Server-Side Request Forgery (SSRF) vulnerability was discovered in chatwoot/chatwoot, affecting all versions prior to…
- CVE-2021-3649 — High (CVSS 7.5): chatwoot is vulnerable to Inefficient Regular Expression Complexity
- CVE-2022-2901 — High (CVSS 7.1): Improper Authorization in GitHub repository chatwoot/chatwoot prior to 2.8.
- CVE-2021-3740 — Medium (CVSS 6.8): A Session Fixation vulnerability exists in chatwoot/chatwoot versions prior to 2.4.0. The application does not…
Other CWE-639 (Authorization Bypass Through User-Controlled Key (IDOR)) vulnerabilities
- CVE-2025-40805 — Critical (CVSS 10.0): Affected devices do not properly enforce user authentication on specific API endpoints. This could facilitate an…
- CVE-2024-45032 — Critical (CVSS 10.0): A vulnerability has been identified in Industrial Edge Management Pro (All versions < V1.9.5), Industrial Edge…
- CVE-2026-34037 — Critical (CVSS 9.9): Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to…
- CVE-2026-52782 — Critical (CVSS 9.9): OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is an IDOR through…
- CVE-2026-45552 — Critical (CVSS 9.9): Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. In versions 8.2.6.4 and prior,…
- CVE-2026-29200 — Critical (CVSS 9.9): A critical IDOR vulnerability has been discovered in Comet Backup affecting all versions from 20.11.0 to 26.1.1 and…
Browse all CWE-639 (Authorization Bypass Through User-Controlled Key (IDOR)) vulnerabilities →