Input validation error in framework - CVE-2021-33609

 

Input validation error in framework - CVE-2021-33609

Published: October 30, 2023


Vulnerability identifier: #VU82555
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-33609
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: vaadin
Affected software:
framework

Detailed vulnerability description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to missing check in DataCommunicator class in com.vaadin:vaadin-server. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.


How to mitigate CVE-2021-33609

Install updates from vendor's website.

Sources