CVSS 3.1
5.3 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NCVE-2021-31412
Medium (5.3) in vaadin. EPSS 1.3% chance of exploitation in the next 30 days. Fixed in com.vaadin:vaadin-bom 10.0.19, 14.6.2, 19.0.9.
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.
Severity
- EPSS
- 1.3% chance of exploitation in the next 30 days; higher than 70% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-20, CWE-1295
- Published
- Modified
- Record from
- the NVD, synced
Affected
- vaadin:flow
- vaadin:vaadin
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-qrg9-f472-qwfm | Maven | com.vaadin:vaadin-bom | >=10.0.0 <10.0.19 | 10.0.19 |
| GHSA-qrg9-f472-qwfm | Maven | com.vaadin:vaadin-bom | >=11.0.0 <14.6.2 | 14.6.2 |
| GHSA-qrg9-f472-qwfm | Maven | com.vaadin:vaadin-bom | >=15.0.0 <19.0.9 | 19.0.9 |