CVE-2020-10719

mediumpriority · track · 26EPSS 0.010 · 63 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.00% (63rd) EPSS

CVSS 6.4 · medium

Is it mine?

20 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

A flaw was found in Undertow in versions before 2.1.1.Final, regarding the processing of invalid HTTP requests with large chunk sizes. This flaw allows an attacker to take advantage of HTTP request smuggling.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 4.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 2.5

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · secalert@redhat.com USexploitability 3.9 · impact 2.5

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-444USprimaryCWE-444US

affected products (20)

Products and version ranges known to be affected.

IBM InfoSphere Information Serverall versionscert_bundDEcpe:/a:ibm:infosphere_information_server:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat JBoss Enterprise Application Platform 7.2all versionscert_bundDEcpe:/a:redhat:jboss_enterprise_application_platform:7.2
Red Hat JBoss Enterprise Application Platform 7.2_EL6all versionscert_bundDEcpe:/a:redhat:jboss_enterprise_application_platform:7.2_el6
Red Hat JBoss Enterprise Application Platform 7.2_EL7all versionscert_bundDEcpe:/a:redhat:jboss_enterprise_application_platform:7.2_el7
Red Hat JBoss Enterprise Application Platform 7.2_EL8all versionscert_bundDEcpe:/a:redhat:jboss_enterprise_application_platform:7.2_el8
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Red Hat undertow≤ Versions before 2.1.1.Finalenisa_euvdEU
netapp active iq unified managerall versionsnvdUScpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:*:*:*
netapp oncommand insight< 7.3.13nvdUScpe:2.3:a:netapp:oncommand_insight:*:*:*:*:*:*:*:*
netapp oncommand workflow automationall versionsnvdUScpe:2.3:a:netapp:oncommand_workflow_automation:*:*:*:*:*:*:*:*
redhat fuse= 1.0nvdUScpe:2.3:a:redhat:fuse:*:*:*:*:*:*:*:*
redhat jboss enterprise application platformall versionsnvdUScpe:2.3:a:redhat:jboss_enterprise_application_platform:*:*:*:*:*:*:*:*
redhat jboss enterprise application platform= 7.2nvdUScpe:2.3:a:redhat:jboss_enterprise_application_platform:*:*:*:*:*:*:*:*
redhat jboss enterprise application platform= 7.3nvdUScpe:2.3:a:redhat:jboss_enterprise_application_platform:*:*:*:*:*:*:*:*
redhat jboss enterprise application platform= 7.4nvdUScpe:2.3:a:redhat:jboss_enterprise_application_platform:*:*:*:*:*:*:*:*
redhat openshift application runtimesall versionsnvdUScpe:2.3:a:redhat:openshift_application_runtimes:*:*:*:*:*:*:*:*
redhat single sign-onall versionsnvdUScpe:2.3:a:redhat:single_sign-on:*:*:*:*:*:*:*:*
redhat undertow< 2.1.1nvdUScpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:*
Maven io.undertow:undertow-core< 2.1.1.FinalosvUSpkg:maven/io.undertow/undertow-core

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2123Red Hat JBoss Enterprise Application Platform: Mehrere SchwachstellenDeutsch2020-05-11csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat JBoss Enterprise Application Platform ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsvorkehrungen zu umgehen, einen Cross-Site-Angriff durchzuführen, einen Denial of Service Zustand herbeizuführen, Informationen offenzulegen oder Dateien zu manipulieren.
GHSA-cccf-7xw3-p2vrHTTP Request Smuggling in Undertow2021-04-30ghsa · osvUS
A flaw was found in Undertow in versions before 2.1.1.Final, regarding the processing of invalid HTTP requests with large chunk sizes. This flaw allows an attacker to take advantage of HTTP request smuggling.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2020-05-26modified 2026-06-17

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Related entries.

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+548 more

references (23)

External citations — patches, advisories, analysis.

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