CVE-2021-33609

low-risk
Published 2021-10-13

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.

Do I need to act?

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0.61% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Vaadin

References (4)

Patch https://github.com/vaadin/framework/pull/12415
Vendor Advisory https://vaadin.com/security/cve-2021-33609
Patch https://github.com/vaadin/framework/pull/12415
Vendor Advisory https://vaadin.com/security/cve-2021-33609
25
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal