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CVE-2020-36320

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Date: April 23, 2021

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.

Language: Java

Severity Score

Related Resources (6)

https://vaadin.com/security/cve-2020-36320
https://github.com/vaadin/framework/issues/7757
https://github.com/vaadin/framework/security/advisories/GHSA-42j4-733x-5vcf
https://nvd.nist.gov/vuln/detail/CVE-2020-36320
https://github.com/vaadin/framework/pull/12104
https://www.mend.io/vulnerability-database/CVE-2020-36320

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

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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