CVE-2021-33609
Denial of service in DataCommunicator class in Vaadin 8
MEDIUM
4.3
CVSS Score
Published: October 13, 2021 at 10:58 AM UTC
Updated: June 17, 2026 at 03:54 AM UTC
1 product affected across 1 vendorVaadin
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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.9%
Description
Missing check in DataCommunicator class in com.vaadin:vaadin-server versions 8.0.0 through 8.14.0 (Vaadin 8.0.0 through 8.14.0) allows authenticated network attacker to cause heap exhaustion by requesting too many rows of data.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/vaadin/framework/pull/12415x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://vaadin.com/security/cve-2021-33609CVSS
4.3MEDIUMVaadin
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-400CWE-20
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