CVE-2021-3629

CWE-400 — Uncontrolled Resource ConsumptionCWE-770 — Allocation without Limits8 documents6 sources
Severity
5.9MEDIUM
EPSS
0.3%
top 47.33%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Redhat UndertowRedhat Wildfly CoreRedhat Jboss Enterprise Application Platform
Timeline
PublishedMay 24
Latest updateMay 25

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 vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6

Affected Packages6 packages

▶NVDredhat/undertow2.2.0 — 2.2.11+1
▶Mavenio.undertow:undertow-core2.1.0 — 2.2.11.Final+1
▶Debianundertow< 2.2.12-1
▶CVEListV5undertowFixed in 2.3.0.Final, 2.2.17.SP1, 2.2.20.Final, 2.2.19.SP1., undertow 2.0.40.Final, undertow 2.2.11.Final+1

🔴Vulnerability Details

4
OSV
Undertow Uncontrolled Resource Consumption↗2022-05-25
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GHSA
Undertow Uncontrolled Resource Consumption↗2022-05-25
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CVEList
CVE-2021-3629: A flaw was found in Undertow↗2022-05-24
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OSV
CVE-2021-3629: A flaw was found in Undertow↗2022-05-24
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📋Vendor Advisories

3
Red Hat
undertow: potential security issue in flow control over HTTP/2 may lead to DOS(incomplete fix for CVE-2021-3629)↗2022-04-06
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Red Hat
undertow: potential security issue in flow control over HTTP/2 may lead to DOS↗2021-03-29
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Debian
CVE-2021-3629: undertow - A flaw was found in Undertow. A potential security issue in flow control handlin...↗2021
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