Regular expression denial of service (ReDoS) in EmailField component in Vaadin 14 and 15-17
CVE-2021-31405

7.5HIGH

Key Information:

Vendor

Vaadin

Status
Vaadin
Vaadin-text-field-flow
Vendor
CVE Published:
23 April 2021

What is 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.

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Deploy the Patch

Affected Version(s)

Vaadin 14.0.6

vaadin-text-field-flow 2.0.4

References

https://vaadin.com/security/cve-2021-31405
x_refsource_MISC
https://github.com/vaadin/flow-components/pull/442
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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