CVE-2021-3629

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 Metrics

• v3.1•MEDIUM•Score: 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
• v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
• v2.0•MEDIUM•Score: 4.3AV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.29%• Percentile: 53%

Techniques & Countermeasures

• CWE-400•Uncontrolled Resource Consumption

  The product does not properly control the allocation and maintenance of a limited resource.

Affected Systems

• io.undertow•undertow-core

  < 2.0.40.Final | ≥ 2.1.0, < 2.2.11.Final

• netapp•active_iq_unified_manager

  na

• netapp•oncommand_insight

  na

• netapp•oncommand_workflow_automation

  na

• redhat•integration

  na

• redhat•jboss_enterprise_application_platform

  na | 7.4 | 7.3

• redhat•single_sign-on

  na

• redhat•undertow

  < 2.0.40 | ≥ 2.2.0, < 2.2.11

• redhat•wildfly_core

  < 17.0

References (5)

• https://bugzilla.redhat.com/show_bug.cgi?id=1977362
• https://security.netapp.com/advisory/ntap-20220729-0008/
• https://nvd.nist.gov/vuln/detail/CVE-2021-3629
• https://github.com/undertow-io/undertow
• https://security.netapp.com/advisory/ntap-20220729-0008