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 uncontrolled resource consumption by submitting malicious email addresses.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.011 (64.1th 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)
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.