CVE-2021-33609
Denial of service in DataCommunicator class in Vaadin 8
4.3
MEDIUM
CVSS 3.1
EPSS 0.61%
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.
How to fix CVE-2021-33609
To remediate CVE-2021-33609, upgrade the affected package to a fixed version below.
- —upgrade to 8.14.1 or later
Is CVE-2021-33609 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 8.0.6, < 8.14.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |