SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-3629

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.

MEDIUM 5.9EPSS 1.30%

Does this matter?

Lower severity and a low EPSS score (1.30%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.30% probability · 69th percentile
CISA KEV
Not listed
Weakness
CWE-400
Affected
redhat/integration · redhat/jboss enterprise application platform · redhat/single sign-on · redhat/undertow · redhat/wildfly core · netapp/active iq unified manager · netapp/oncommand insight · netapp/oncommand workflow automation
Source
secalert@redhat.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.