Vulnerability Description
URL encoding error in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.6.1 (Vaadin 14.0.0 through 14.6.1), 3.0.0 through 6.0.9 (Vaadin 15.0.0 through 19.0.8) allows local user to execute arbitrary JavaScript code by opening crafted URL in browser.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Vaadin | Flow-Server | >= 2.0.0, <= 2.6.1 |
| Vaadin | Vaadin | >= 14.0.0, <= 14.6.1 |
Related Weaknesses (CWE)
References
- https://github.com/vaadin/flow/pull/11099PatchThird Party Advisory
- https://vaadin.com/security/cve-2021-33604Vendor Advisory
- https://github.com/vaadin/flow/pull/11099PatchThird Party Advisory
- https://vaadin.com/security/cve-2021-33604Vendor Advisory
FAQ
What is CVE-2021-33604?
CVE-2021-33604 is a vulnerability with a CVSS score of 2.5 (LOW). URL encoding error in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.6.1 (Vaadin 14.0.0 through 14.6.1), 3.0.0 through 6.0.9 (Vaadin 15.0.0 through 19.0.8) allows local us...
How severe is CVE-2021-33604?
CVE-2021-33604 has been rated LOW with a CVSS base score of 2.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-33604?
Check the references section above for vendor advisories and patch information. Affected products include: Vaadin Flow-Server, Vaadin Vaadin.