CVE-2020-36320

Regular expression Denial of Service (ReDoS) in EmailValidator class in Vaadin 7

State: Published
Severity: 7.5 High
Published: Apr 23, 2021
Updated: Sep 16, 2024
Reserved: Apr 13, 2021

Description

Unsafe validation RegEx in EmailValidator class in com.vaadin:vaadin-server versions 7.0.0 through 7.7.21 (Vaadin 7.0.0 through 7.7.21) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	Vaadin

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
VaadinVaadin	7.0.0 and laterAffected
vaadin-serverVaadin	7.0.0 and laterAffected

References

https://vaadin.com/security/cve-2020-36320
https://github.com/vaadin/framework/issues/7757
https://github.com/vaadin/framework/pull/12104

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