What is CVE-2019-4731?

CVE-2019-4731 is a medium-severity vulnerability in IBM Mq Appliance, classified under Information Disclosure. CVSS score: 5.5/10. Published 2020-07-28.

How severe is CVE-2019-4731?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in IBM Mq Appliance

CVE-2019-4731

IBM MQ Appliance 9.1.4.CD could allow a local attacker to obtain highly sensitive information by inclusion of sensitive data within trace. IBM X-Force ID: 172616.

Vulnerability class: Information Disclosure

Published 2020-07-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.4th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

IBM Mq Appliance — versions 9.1.4.CD
IBM Mq Appliance — versions 9.1.4

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.ibm.com/support/pages/node/1125885 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/172616 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2019-4731?: CVE-2019-4731 is a medium-severity vulnerability in IBM Mq Appliance, classified under Information Disclosure. CVSS score: 5.5/10. Published 2020-07-28.
How severe is CVE-2019-4731?: Medium severity. CVSS v3 base score is 5.5 out of 10.