CVE-2021-31409
Server session is not invalidated when logout() helper method of Authentication module is used in Vaadin 18-19
HIGH
7.5
CVSS Score
Published: May 5, 2021 at 07:07 PM UTC
Updated: June 17, 2026 at 03:51 AM UTC
2 products affected across 1 vendorVaadinVaadin Compatibility Server
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
Description
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/vaadin/framework/issues/12240x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/vaadin/framework/pull/12241x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://vaadin.com/security/cve-2021-31409CVSS
7.5HIGHVaadin
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-400
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