VULNERABILITY INTELLIGENCE

CVE-2021-3629

CVSS score5.9 MEDIUM

EPSS probability1.32%

CISA KEVNot currently listed

Published2022-05-24

Last modified2026-06-17

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

Description

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.

Weakness classification

secalert@redhat.com: CWE-400
nvd@nist.gov: CWE-400

Primary references

secalert@redhat.com — Issue Tracking, Third Party Advisory
secalert@redhat.com — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory