Is CVE-2019-4261 being actively exploited?

CVE-2019-4261 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2019-4261?

CVE-2019-4261 has a CVSS 3.1 base score of 6.5 (MEDIUM).

CVE-2019-4261

MEDIUM · CVSS 6.5EPSS 2.4%EU EUVD

IBM WebSphere MQ V7.1, 7.5, IBM MQ V8, IBM MQ V9.0LTS, IBM MQ V9.1 LTS, and IBM MQ V9.1 CD are vulnerable to a denial of service attack caused by specially crafted messages. IBM X-Force ID: 160013.

Key facts

CVSS score: 6.5 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS score: 2.4% (83th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2019-13868)
Published: August 5, 2019
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2019-13868 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.

View on the EU Vulnerability Database

Affected products

ibm / mq
ibm / mq
ibm / mq
ibm / websphere mq

Certified products that may be affected

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

IBM WebSphere MQ v7.1.0.2 - IBM Corporation - Common Criteria - archived

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/160013(VDB Entry, Vendor Advisory)
https://www.ibm.com/support/docview.wss?uid=ibm10886887(Patch, Vendor Advisory)

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

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