CVE-2021-31405

Regular expression denial of service (ReDoS) in EmailField component in Vaadin 14 and 15-17

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.47%
Vendor Advisory vaadin.com
Affected: Vaadin Vaadin
Affected: Vaadin vaadin-text-field-flow
Published at:
Updated at:

References

Link Tags
https://vaadin.com/security/cve-2021-31405 vendor advisory
https://github.com/vaadin/flow-components/pull/442 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-31405?
CVE-2021-31405 has been scored as a high severity vulnerability.
How to fix CVE-2021-31405?
To fix CVE-2021-31405, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-31405 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-31405 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-31405?
CVE-2021-31405 affects Vaadin Vaadin, Vaadin vaadin-text-field-flow.
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