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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (59.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
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
- vaadin.com/security/cve-2021-33609 (Vendor Advisory)
- github.com/vaadin/framework/pull/12415 (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.