VulnerabilityModified
CVE-2021-33604
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…
LOW 2.5EPSS 0.29%
Does this matter?
Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 2.5 LOWCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
- EPSS
- 0.29% probability · 21th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-172
- Affected
- vaadin/flow-server · vaadin/vaadin
- Source
- security@vaadin.com
References
- https://github.com/vaadin/flow/pull/11099Patch, Third Party Advisory
- https://vaadin.com/security/cve-2021-33604Vendor Advisory
- https://github.com/vaadin/flow/pull/11099Patch, Third Party Advisory
- https://vaadin.com/security/cve-2021-33604Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.