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CVE-2021-20220

🗓️ 23 Feb 2021 18:15:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 36 Views

A flaw in Undertow permits HTTP request smuggling, allowing an attacker to poison web-cache, perform XSS attack, and obtain sensitive information. The highest threat is to data confidentiality and integrity

Related
Packages
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2021-20220
23 Feb 202120:35
circl
CNNVD
Red Hat Undertow Environmental Issues Vulnerabilities
3 Feb 202100:00
cnnvd
CVE
CVE-2021-20220
23 Feb 202117:21
cve
Cvelist
CVE-2021-20220
23 Feb 202117:21
cvelist
Debian CVE
CVE-2021-20220
23 Feb 202117:21
debiancve
EUVD
EUVD-2021-1382
7 Oct 202500:30
euvd
Github Security Blog
HTTP request smuggling in Undertow
16 Jun 202117:47
github
NCSC
Vulnerabilities fixed in Red Hat JBoss Enterprise Application Platform
17 Mar 202100:00
ncsc
NVD
CVE-2021-20220
23 Feb 202118:15
nvd
OSV
DEBIAN-CVE-2021-20220
23 Feb 202118:15
osv
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu22.04anyundertow0undertow_0_any.deb
Ubuntu24.04anyundertow0undertow_0_any.deb
Ubuntu18.04anyundertow0undertow_0_any.deb
Ubuntu20.04anyundertow0undertow_0_any.deb
Ubuntu26.04anyundertow0undertow_0_any.deb
Ubuntu25.10anyundertow0undertow_0_any.deb

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11 Jul 2025 07:46Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.14.8
CVSS 25.8
EPSS0.01119
36