Denial of service in DataCommunicator class in Vaadin 8
CVE-2021-33609

4.3MEDIUM

Key Information:

Vendor

Vaadin

Status
Vaadin
Vaadin-server
Vendor
CVE Published:
13 October 2021

What is CVE-2021-33609?

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.

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Deploy the Patch

Affected Version(s)

Vaadin 8.0.0

Vaadin <= 8.14.0

vaadin-server 8.0.0

References

https://vaadin.com/security/cve-2021-33609
x_refsource_CONFIRM
https://github.com/vaadin/framework/pull/12415
x_refsource_CONFIRM

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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