CVE-2020-36320
Regular expression Denial of Service (ReDoS) in EmailValidator class in Vaadin 7
HIGH
7.5
CVSS Score
Published: April 23, 2021 at 04:05 PM UTC
Updated: June 17, 2026 at 03:15 AM UTC
1 product affected across 1 vendorVaadin
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCExploitPatchThird Party Advisory
Source: [email protected]
https://github.com/vaadin/framework/issues/7757x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/vaadin/framework/pull/12104CVSS
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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