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)
Threat Intelligence
EPSS
0.09% (40th
percentile)
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Test your applications- Snyk ID SNYK-JAVA-IOUNDERTOW-1070551
- published 8 Feb 2021
- disclosed 4 Feb 2021
- credit Pedro Sampaio
Introduced: 4 Feb 2021
CVE-2021-20220 Open this link in a new tabHow 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
CVSS Scores
version 3.1