Vulnerability · Published Oct 13, 2021 · Assigned by Vaadin

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

Medium 4.3

In plain English

A medium-severity uncontrolled resource consumption in Vaadin from Vaadin. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.9%top 38.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavencom.vaadin:vaadin-server8.14.1GHSA-qcgx-crrx-38v5

Affected products (as reported)

VendorProductVersions
Vaadin Vaadin 8.0.0 – before unspecifiedunspecified – through 8.14.0
Vaadin vaadin-server 8.0.0 – before unspecifiedunspecified – through 8.14.0

Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References