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HTTP Request Smuggling Affecting io.undertow:undertow-core package, versions [2.0.30.SP4, 2.0.34.Final) [2.1.0, 2.1.6.Final)

0.0
medium

Snyk CVSS

    Attack Complexity High

    Threat Intelligence

    EPSS 0.09% (38th percentile)
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NVD
4.8 medium
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Red Hat
4.8 medium

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  • Snyk ID SNYK-JAVA-IOUNDERTOW-1070551
  • published 8 Feb 2021
  • disclosed 4 Feb 2021
  • credit Pedro Sampaio
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Introduced: 4 Feb 2021

CVE-2021-20220 Open this link in a new tab
CWE-444 Open this link in a new tab

How to fix?

Upgrade io.undertow:undertow-core to version 2.0.34.Final, 2.1.6.Final or higher.

Overview

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to HTTP Request Smuggling. A regression issue reintroduced undertow's fix for CVE-2020-10687.

References