What is CVE-2021-31405?

CVE-2021-31405 is a high-severity vulnerability in Vaadin Flow, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-04-23.

How severe is CVE-2021-31405?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Vaadin Flow

CVE-2021-31405

Unsafe validation RegEx in EmailField component in com.vaadin:vaadin-text-field-flow versions 2.0.4 through 2.3.2 (Vaadin 14.0.6 through 14.4.3), and 3.0.0 through 4.0.2 (Vaadin 15.0.0 through 17.0.10) allows attackers to cause uncontrolle…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.011 (62.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Vaadin Flow
Vaadin — versions 14.0.6
Vaadin Vaadin-text-field-flow — versions 2.0.4

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security@vaadin.com (x_refsource_MISC, Vendor Advisory)
security@vaadin.com (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-31405?: CVE-2021-31405 is a high-severity vulnerability in Vaadin Flow, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-04-23.
How severe is CVE-2021-31405?: High severity. CVSS v3 base score is 7.5 out of 10.