CVE-2021-33609

Denial of service in DataCommunicator class in Vaadin 8

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.

Categories

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.21%
Vendor Advisory vaadin.com
Affected: Vaadin Vaadin
Affected: Vaadin vaadin-server
Published at:
Updated at:

References

Link Tags
https://vaadin.com/security/cve-2021-33609 vendor advisory
https://github.com/vaadin/framework/pull/12415 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-33609?
CVE-2021-33609 has been scored as a medium severity vulnerability.
How to fix CVE-2021-33609?
To fix CVE-2021-33609, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-33609 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-33609 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-33609?
CVE-2021-33609 affects Vaadin Vaadin, Vaadin vaadin-server.
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