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Fencer Vulns
high 7.4

CVE-2023-4639 json

Undertow: cookie smuggling/spoofing

published 2024-11-17 23 mo ago modified 2026-06-17 4 mo ago also GHSA-3jrv-jgp8-45v3 , EUVD-2024-3185

cvss
7.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
0
none known

Summary

A flaw was found in Undertow, which incorrectly parses cookies with certain value-delimiting characters in incoming requests. This issue could allow an attacker to construct a cookie value to exfiltrate HttpOnly cookie values or spoof arbitrary additional cookie values, leading to unauthorized data access or modification. The main threat from this flaw impacts data confidentiality and integrity.

Patch / fix

  • maven io.undertow:undertow-core 2.2.30.Final, 2.3.11.Final
  • Red Hat Migration Toolkit for Runtimes 1 on RHEL 8 1.2-14, 1.2-15, 1.2-16, 1.2-23
  • Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8 0:2.2.30-1.SP1_redhat_00001.1.el8eap
  • Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9 0:2.2.30-1.SP1_redhat_00001.1.el9eap
  • Red Hat Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7 0:2.2.30-1.SP1_redhat_00001.1.el7eap
  • Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:2.3.11-1.SP1_redhat_00001.1.el8eap
  • Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9 0:2.3.11-1.SP1_redhat_00001.1.el9eap
  • undertow Debian 14 2.3.18-1

debian advisories DEBIAN-CVE-2023-4639

  • eap7-jberet jboss enterprise application platform 7.4 1.3.9-3.SP3_redhat_00001.1.el7eap
  • eap7-wildfly jboss enterprise application platform 7.4 7.4.16-4.GA_redhat_00002.1.el7eap
  • eap7-undertow jboss enterprise application platform 7.4 2.2.30-1.SP1_redhat_00001.1.el7eap
  • eap7-hibernate jboss enterprise application platform 7.4 5.3.36-1.Final_redhat_00001.1.el7eap
  • eap7-apache-cxf jboss enterprise application platform 7.4 3.4.10-2.redhat_00001.1.el7eap
  • eap7-infinispan jboss enterprise application platform 7.4 11.0.18-2.Final_redhat_00001.1.el7eap
  • eap7-elytron-web jboss enterprise application platform 7.4 1.9.4-1.Final_redhat_00001.1.el7eap
  • eap7-hal-console jboss enterprise application platform 7.4 3.3.21-1.Final_redhat_00001.1.el7eap

red hat advisories RHSA-2024:1674RHSA-2024:1675RHSA-2024:1676RHSA-2024:2764

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-4639 updated cvss 7.4

undertow: Cookie Smuggling/Spoofing

  • Red Hat JBoss Data Grid 7 undertow undertow
    affected: no fix planned “Out of support scope”
  • Red Hat build of Apicurio Registry 2 undertow undertow Red Hat build of Debezium 1 undertow undertow Red Hat build of Quarkus quarkus-undertow Red Hat Decision Manager 7 undertow undertow Red Hat Fuse 7 undertow undertow Red Hat JBoss Enterprise Application Platform 6 undertow undertow
    +4 more products
    Red Hat JBoss Fuse 6 undertow undertow Red Hat JBoss Fuse Service Works 6 undertow undertow Red Hat Process Automation 7 undertow undertow Red Hat Single Sign-On 7 undertow undertow
    under investigation
  • Red Hat Migration Toolkit for Runtimes 1 on RHEL 8 mtr/mtr-rhel8-operator 1.2-15, mtr/mtr-operator-bundle 1.2-23, mtr/mtr-web-container-rhel8 1.2-16, mtr/mtr-web-executor-container-rhel8 1.2-14
    fixed: vendor fix RHSA-2024:3919
  • Red Hat JBoss EAP 7.4 for RHEL 7 Server eap7-undertow 2.2.30-1.SP1_redhat_00001.1.el7eap
    fixed: vendor fix RHSA-2024:1674
  • Red Hat JBoss EAP 7.4 for RHEL 8 eap7-undertow 2.2.30-1.SP1_redhat_00001.1.el8eap
    fixed: vendor fix RHSA-2024:1675
  • Red Hat JBoss EAP 7.4 for RHEL 9 eap7-undertow 2.2.30-1.SP1_redhat_00001.1.el9eap
    fixed: vendor fix RHSA-2024:1676
  • Red Hat JBoss EAP 8.0 for RHEL 8 eap8-undertow 2.3.11-1.SP1_redhat_00001.1.el8eap Red Hat JBoss EAP 8.0 for RHEL 9 eap8-undertow 2.3.11-1.SP1_redhat_00001.1.el9eap
    fixed: vendor fix RHSA-2024:2764
  • Red Hat JBoss Enterprise Application Platform 7.4.16 undertow-core 2.2.30.SP1-redhat-00001
    fixed: vendor fix RHSA-2024:1677
show 2 more
  • Red Hat JBoss Enterprise Application Platform 8
    fixed: vendor fix RHSA-2024:2763
  • Red Hat Migration Toolkit for Applications 6 org.keycloak-keycloak-parent Red Hat build of Apache Camel for Spring Boot 3 undertow undertow Red Hat Data Grid 8 undertow undertow Red Hat Integration Camel K 1 undertow undertow Red Hat Integration Camel Quarkus 1 undertow undertow Red Hat JBoss EAP 7.4 for RHEL 7 Server eap7-lucene-core 5.5.5-6.redhat_2.1.el7eap, eap7-lucene-misc 5.5.5-6.redhat_2.1.el7eap, eap7-lucene-solr 5.5.5-6.redhat_2.1.el7eap, eap7-lucene-facet 5.5.5-6.redhat_2.1.el7eap, eap7-jberet 1.3.9-3.SP3_redhat_00001.1.el7eap, eap7-lucene-queries 5.5.5-6.redhat_2.1.el7eap, +59 more
    +3 more products
    Red Hat JBoss EAP 7.4 for RHEL 8 eap7-lucene-core 5.5.5-6.redhat_2.1.el8eap, eap7-lucene-misc 5.5.5-6.redhat_2.1.el8eap, eap7-lucene-solr 5.5.5-6.redhat_2.1.el8eap, eap7-lucene-facet 5.5.5-6.redhat_2.1.el8eap, eap7-jberet 1.3.9-3.SP3_redhat_00001.1.el8eap, eap7-lucene-queries 5.5.5-6.redhat_2.1.el8eap, +61 more Red Hat JBoss EAP 7.4 for RHEL 9 eap7-lucene-core 5.5.5-6.redhat_2.1.el9eap, eap7-lucene-misc 5.5.5-6.redhat_2.1.el9eap, eap7-lucene-solr 5.5.5-6.redhat_2.1.el9eap, eap7-lucene-facet 5.5.5-6.redhat_2.1.el9eap, eap7-jberet 1.3.9-3.SP3_redhat_00001.1.el9eap, eap7-lucene-queries 5.5.5-6.redhat_2.1.el9eap, +58 more Red Hat JBoss Enterprise Application Platform 7.4.16 pom.xml, c3 0.6.0, c3 0.7.1, d3 5.9.2, fs 2.1.2, ip 2.0.0, +1557 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
23 mo ago

Exploit prediction

1.09% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
GitHub 3.1 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
maven io.undertow:undertow-core
>=2.3.0.Alpha1, <2.3.11.Final
<2.2.30.Final
2.3.11.Final
2.2.30.Final

Affected products

  • Red Hat Migration Toolkit for Runtimes 1 on RHEL 8
  • Red Hat Red Hat JBoss Enterprise Application Platform 7
  • Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8
  • Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9
  • Red Hat Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7
  • Red Hat Red Hat JBoss Enterprise Application Platform 8
  • Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8
  • Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9
  • Red Hat Migration Toolkit for Applications 6
  • Red Hat Red Hat build of Apache Camel for Spring Boot 3
  • Red Hat Red Hat build of Apicurio Registry
  • Red Hat Red Hat build of Quarkus
  • Red Hat Red Hat Data Grid 8
  • Red Hat Red Hat Decision Manager 7
  • Red Hat Red Hat Fuse 7
  • Red Hat Red Hat Integration Camel K
  • Red Hat Red Hat Integration Camel Quarkus
  • Red Hat Red Hat Integration Change Data Capture
  • Red Hat Red Hat JBoss Data Grid 7
  • Red Hat Red Hat JBoss Enterprise Application Platform 6
  • Red Hat Red Hat JBoss Fuse 6
  • Red Hat Red Hat JBoss Fuse Service Works 6
  • Red Hat Red Hat Process Automation 7
  • Red Hat Red Hat Single Sign-On 7

Classification

Weakness
  • CWE-444 Inconsistent Interpretation of HTTP Requests
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.