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Vulnerability details: VCID-kkf3-sqmf-f3ft
Vulnerability ID VCID-kkf3-sqmf-f3ft
Aliases GHSA-fr26-qjc8-mvjx
GMS-2021-142
Summary Possible route enumeration in production mode via RouteNotFoundError view in Vaadin 10, 11-14, and 15-19 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.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
There are no known severity scores.
Reference id Reference type URL
CVE-2021-31412 https://vaadin.com/security/cve-2021-31412
GHSA-fr26-qjc8-mvjx https://github.com/advisories/GHSA-fr26-qjc8-mvjx
GHSA-fr26-qjc8-mvjx https://github.com/vaadin/flow/security/advisories/GHSA-fr26-qjc8-mvjx
No exploits are available.
There are no known vectors.

No EPSS data available for this vulnerability.

Date Actor Action Source VulnerableCode Version
2026-06-02T04:40:14.367664+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/com.vaadin/flow-server/GMS-2021-142.yml 38.6.0