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)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.09% (41st percentile)

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  • Snyk IDSNYK-JAVA-IOUNDERTOW-1070551
  • published8 Feb 2021
  • disclosed4 Feb 2021
  • creditPedro Sampaio

Introduced: 4 Feb 2021

CVE-2021-20220  (opens in a new tab)
CWE-444  (opens 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.

CVSS Scores

version 3.1