Resource exhaustion in Vaadin
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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.009 (56.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Vaadin — versions 8.0.0, unspecified
- Vaadin Vaadin-server — versions 8.0.0, unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@vaadin.com (x_refsource_CONFIRM, Vendor Advisory)
- security@vaadin.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-33609?
- CVE-2021-33609 is a medium-severity vulnerability in Vaadin, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2021-10-13.
- How severe is CVE-2021-33609?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2021-33609 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.