Is CVE-2019-19343 being actively exploited?

CVE-2019-19343 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2019-19343?

CVE-2019-19343 has a CVSS 3.1 base score of 7.5 (HIGH).

CVE-2019-19343

HIGH · CVSS 7.5EPSS 1.6%EU EUVD

A flaw was found in Undertow when using Remoting as shipped in Red Hat Jboss EAP before version 7.2.4. A memory leak in HttpOpenListener due to holding remote connections indefinitely may lead to denial of service. Versions before undertow 2.0.25.SP1 and jboss-remoting 5.0.14.SP1 are believed to be vulnerable.

Key facts

CVSS score: 7.5 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-400
EPSS score: 1.6% (76th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2019-8964)
Published: March 23, 2021
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2019-8964 in the EU Vulnerability Database. Last updated in EUVD on August 5, 2024.

View on the EU Vulnerability Database

Affected products

netapp / active iq unified manager
netapp / active iq unified manager
netapp / active iq unified manager
redhat / jboss enterprise application platform
redhat / jboss-remoting
redhat / jboss-remoting
redhat / undertow
redhat / undertow

Certified products that may be affected

4 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

JBoss Enterprise Application Platform 7 Version 7.2.3 - Red Hat, Inc. - Common Criteria OCSI/CERT/ATS/05/2018/RC - archived
JBoss Enterprise Application Platform 6 Version 6.2.2 - Red Hat, Inc. - Common Criteria BSI-DSZ-CC-0909-2015 - archived
JBoss Enterprise Application Platform 5 Version 5.1.0 and 5.1.1 - Red Hat, Inc. - Common Criteria BSI-DSZ-CC-0687-2011 - archived
JBoss Enterprise Application Platform Version 4.3 CP03 - Red Hat, Inc. - Common Criteria BSI-DSZ-CC-0531-2009 - archived

References

https://bugzilla.redhat.com/show_bug.cgi?id=1780445(Issue Tracking, Vendor Advisory)
https://issues.redhat.com/browse/JBEAP-16695(Permissions Required, Vendor Advisory)
https://security.netapp.com/advisory/ntap-20220211-0002/(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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