Description
Insecure temporary directory usage in frontend build functionality of com.vaadin:flow-server versions 2.0.9 through 2.5.2 (Vaadin 14.0.3 through Vaadin 14.5.2), 3.0 prior to 6.0 (Vaadin 15 prior to 19), and 6.0.0 through 6.0.5 (Vaadin 19.0.0 through 19.0.4) allows local users to inject malicious code into frontend resources during application rebuilds.
Metrics
CVSS 3.1 7.8/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Vaadin | Vaadin | >= 14.0.3, < * |
| Vaadin | flow-server | >= 2.0.9, < * |
References
- https://github.com/vaadin/flow/pull/10640Patch, Third Party Advisory
- https://vaadin.com/security/cve-2021-31411Vendor Advisory
- https://github.com/vaadin/flow/pull/10640Patch, Third Party Advisory
- https://vaadin.com/security/cve-2021-31411Vendor Advisory
Timeline
- Published
- May 5, 2021
- Last modified
- Jun 17, 2026
- NVD status
- Modified