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Fencer Intel
medium 5.3

CVE-2019-10184 json

Undertow Missing Authorization when requesting a protected directory without trailing slash

published 7y ago modified 4mo ago also GHSA-w69w-jvc7-wjgv , EUVD-2019-0642

cvss
5.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.5%
EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

undertow before version 2.0.23.Final is vulnerable to an information leak issue. Web apps may have their directory structures predicted through requests without trailing slashes via the api.

Patch / fix

  • maven io.undertow:undertow-servlet 2.0.23
  • redhat undertow 2.0.23
  • undertow Debian 14 2.0.23-1

debian advisories DEBIAN-CVE-2019-10184

  • undertow Ubuntu 20.04 LTS 2.0.23-1

ubuntu advisories UBUNTU-CVE-2019-10184

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • eap7-netty jboss enterprise application platform 7.2 4.1.34-2.Final_redhat_00002.1.el8eap
  • eap7-jgroups jboss enterprise application platform 7.2 4.0.20-1.Final_redhat_00001.1.el8eap
  • eap7-wildfly jboss enterprise application platform 7.2 7.2.4-1.GA_redhat_00002.1.el8eap
  • eap7-narayana jboss enterprise application platform 7.2 5.9.6-1.Final_redhat_00001.1.el8eap
  • eap7-undertow jboss enterprise application platform 7.2 2.0.25-1.SP1_redhat_00001.1.el8eap
  • eap7-weld-ejb jboss enterprise application platform 7.2 3.0.6-2.Final_redhat_00002.1.el8eap
  • eap7-weld-jta jboss enterprise application platform 7.2 3.0.6-2.Final_redhat_00002.1.el8eap
  • eap7-weld-web jboss enterprise application platform 7.2 3.0.6-2.Final_redhat_00002.1.el8eap

red hat advisories RHSA-2019:2937RHSA-2019:2936RHSA-2019:2935RHSA-2019:3046RHSA-2019:3045RHSA-2019:3044

Is CVE-2019-10184 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2019-10184 updated cvss 5.3

undertow: Information leak in requests for directories without trailing slashes

  • Red Hat JBoss Enterprise Application Platform 6 jbossweb jbossweb Red Hat JBoss Fuse 6 spring-boot, undertow undertow
    affected: no fix planned “Out of support scope”
  • Red Hat OpenShift Application Runtimes undertow undertow
    affected: no fix available
  • Red Hat Data Grid 7.3.3
    fixed: vendor fix RHSA-2020:0727
  • Red Hat Fuse 7.6.0
    fixed: vendor fix RHSA-2020:0983
  • Red Hat JBoss EAP 7.2
    fixed: vendor fix RHSA-2019:2938
  • Red Hat JBoss EAP 7.2 for RHEL 6 Server eap7-wildfly 7.2.4-1.GA_redhat_00002.1.el6eap, eap7-jackson-core 2.9.9-1.redhat_00001.1.el6eap, eap7-netty 4.1.34-2.Final_redhat_00002.1.el6eap, eap7-undertow 2.0.25-1.SP1_redhat_00001.1.el6eap, eap7-hibernate 5.3.11-2.SP1_redhat_00001.1.el6eap, eap7-jgroups 4.0.20-1.Final_redhat_00001.1.el6eap, +124 more
    fixed: vendor fix RHSA-2019:2935
  • Red Hat JBoss EAP 7.2 for RHEL 7 Server eap7-wildfly 7.2.4-1.GA_redhat_00002.1.el7eap, eap7-jackson-core 2.9.9-1.redhat_00001.1.el7eap, eap7-netty 4.1.34-2.Final_redhat_00002.1.el7eap, eap7-undertow 2.0.25-1.SP1_redhat_00001.1.el7eap, eap7-hibernate 5.3.11-2.SP1_redhat_00001.1.el7eap, eap7-jgroups 4.0.20-1.Final_redhat_00001.1.el7eap, +126 more
    fixed: vendor fix RHSA-2019:2936
  • Red Hat JBoss EAP 7.2 for RHEL 8 eap7-wildfly 7.2.4-1.GA_redhat_00002.1.el8eap, eap7-jackson-core 2.9.9-1.redhat_00001.1.el8eap, eap7-netty 4.1.34-2.Final_redhat_00002.1.el8eap, eap7-undertow 2.0.25-1.SP1_redhat_00001.1.el8eap, eap7-hibernate 5.3.11-2.SP1_redhat_00001.1.el8eap, eap7-jgroups 4.0.20-1.Final_redhat_00001.1.el8eap, +124 more
    fixed: vendor fix RHSA-2019:2937
show 6 more
  • Red Hat Single Sign-On 7.3 for RHEL 6 Server rh-sso7-keycloak 4.8.13-1.Final_redhat_00001.1.el6sso, rh-sso7-keycloak-server 4.8.13-1.Final_redhat_00001.1.el6sso
    fixed: vendor fix RHSA-2019:3044
  • Red Hat Single Sign-On 7.3 for RHEL 7 Server rh-sso7-libunix-dbus-java 0.8.0-2.el7sso, rh-sso7-keycloak 4.8.13-1.Final_redhat_00001.1.el7sso, rh-sso7-keycloak-server 4.8.13-1.Final_redhat_00001.1.el7sso
    fixed: vendor fix RHSA-2019:3045
  • Red Hat Single Sign-On 7.3 for RHEL 8 rh-sso7-keycloak 4.8.13-1.Final_redhat_00001.1.el8sso, rh-sso7-keycloak-server 4.8.13-1.Final_redhat_00001.1.el8sso
    fixed: vendor fix RHSA-2019:3046
  • Red Hat Single Sign-On 7.3.4 zip
    fixed: vendor fix RHSA-2019:3050
  • Red Hat Text-Only RHOAR
    fixed: vendor fix RHSA-2019:2998
  • Red Hat Process Automation 7 undertow undertow Red Hat support for Spring Boot undertow undertow
    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

Exploit prediction

3.48% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven io.undertow:undertow-servlet
<2.0.23
2.0.23

Affected products

  • undertow-io undertow

Classification

Weakness

References

Sources

Fencer Intel 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.