Undertow HTTP/2 Flow Control Vulnerability

Undertow HTTP/2 Flow Control Vulnerability

CVE-2021-3629 · MEDIUM Severity

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

A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final and prior to 2.2.11.Final.

Learn more about our Cis Benchmark Audit For Server Software.