What is CVE-2020-4498?

CVE-2020-4498 is a medium-severity vulnerability in IBM Mq Appliance, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.4/10. Published 2020-07-27.

How severe is CVE-2020-4498?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Information disclosure in IBM Mq Appliance

CVE-2020-4498

IBM MQ Appliance 9.1 LTS and 9.1 CD could allow a local privileged user to obtain highly sensitve information due to inclusion of data within trace files. IBM X-Force ID: 182118.

Published 2020-07-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.5% 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 9.1.0.0, 9.1.0.1, 9.1.1
IBM Mq Appliance

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

www.ibm.com/support/pages/node/6252409 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/182118 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4498?: CVE-2020-4498 is a medium-severity vulnerability in IBM Mq Appliance, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.4/10. Published 2020-07-27.
How severe is CVE-2020-4498?: Medium severity. CVSS v3 base score is 4.4 out of 10.