CVE-2021-31405
Regular expression denial of service (ReDoS) in EmailField component in Vaadin 14 and 15-17
7.5
HIGH
CVSS 3.1
EPSS 0.47%
Description
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. - https://vaadin.com/security/cve-2021-31405
How to fix CVE-2021-31405
To remediate CVE-2021-31405, upgrade the affected package to a fixed version below.
- —upgrade to 14.4.4 or later
Is CVE-2021-31405 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 14.0.6, < 14.4.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |