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CVE-2021-31409

Good to know:

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Date: May 5, 2021

Unsafe validation RegEx in EmailValidator component in com.vaadin:vaadin-compatibility-server versions 8.0.0 through 8.12.4 (Vaadin versions 8.0.0 through 8.12.4) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.

Language: Java

Severity Score

Related Resources (8)

https://github.com/vaadin/framework/pull/12241
https://github.com/vaadin/framework/security/advisories/GHSA-jfmf-w293-8xr8
https://github.com/vaadin/framework/security/advisories/GHSA-c332-w4jm-55wv
https://nvd.nist.gov/vuln/detail/CVE-2021-31409
https://github.com/vaadin/framework/issues/12240
https://github.com/vaadin/framework
https://vaadin.com/security/cve-2021-31409
https://www.mend.io/vulnerability-database/CVE-2021-31409

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Top Fix

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Upgrade to version com.vaadin:vaadin-compatibility-server:8.13.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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