VULNERABILITY INTELLIGENCE

CVE-2021-31411

CVSS score6.3 MEDIUM

EPSS probability0.23%

CISA KEVNot currently listed

Published2021-05-05

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

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.

Weakness classification

security@vaadin.com: CWE-379
nvd@nist.gov: NVD-CWE-Other

Primary references

security@vaadin.com — Patch, Third Party Advisory
security@vaadin.com — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory