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GHSA-qrg9-f472-qwfm

Possible route enumeration in production mode via RouteNotFoundError view in Vaadin 10, 11-14, and 15-19

Source: GitHub Advisory Database (reviewed) Moderate CVE-2021-31412

Packages

EcosystemPackageAffectedFixed in
Maven com.vaadin:vaadin-bom >= 10.0.0, < 10.0.19 10.0.19
Maven com.vaadin:vaadin-bom >= 11.0.0, < 14.6.2 14.6.2
Maven com.vaadin:vaadin-bom >= 15.0.0, < 19.0.9 19.0.9

Details

As written in the advisory (Markdown source, shown as plain text).

Improper sanitization of path in default `RouteNotFoundError` view in `com.vaadin:flow-server` versions 1.0.0 through 1.0.14 (Vaadin 10.0.0 through 10.0.18), 1.1.0 prior to 2.0.0 (Vaadin 11 prior to 14), 2.0.0 through 2.6.1 (Vaadin 14.0.0 through 14.6.1), and 3.0.0 through 6.0.9 (Vaadin 15.0.0 through 19.0.8) allows network attacker to enumerate all available routes via crafted HTTP request when application is running in production mode and no custom handler for `NotFoundException` is provided. - https://vaadin.com/security/cve-2021-31412

References

External links from the advisory. They lead to third-party sites.