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CVE-2021-33609: Uncontrolled Resource Consumption

October 13, 2021 (updated May 14, 2024)

Missing check in DataCommunicator class in com.vaadin:vaadin-server allows authenticated network attacker to cause heap exhaustion by requesting too many rows of data.

References

  • nvd.nist.gov/vuln/detail/CVE-2021-33609
  • vaadin.com/security/cve-2021-33609

Code Behaviors & Features

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Affected versions

All versions starting from 8.0.6 before 8.14.1

Fixed versions

  • 8.14.1

Solution

Upgrade to version 8.14.1 or above.

Impact 4.3 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Learn more about CVSS

Weakness

  • CWE-20: Improper Input Validation

Source file

maven/com.vaadin/vaadin-server/CVE-2021-33609.yml

Spotted a mistake? Edit the file on GitLab.

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