What is CVE-2019-4420?

CVE-2019-4420 is a medium-severity vulnerability in IBM Intelligent Operations Center, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 6.2/10. Published 2019-08-20.

How severe is CVE-2019-4420?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Information disclosure in IBM Intelligent Operations Center

CVE-2019-4420

IBM Intelligent Operations Center V5.1.0 through V5.2.0 could disclose detailed error messages, revealing sensitive information that could aid in further attacks against the system. IBM X-Force ID: 162738.

Published 2019-08-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (30.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

IBM Intelligent Operations Center — versions 5.1.0, 5.1.0.1, 5.1.0.2
IBM Intelligent Operations Center
IBM Intelligent Operations Center For Emergency Management
IBM Water Operations For Waternamics

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

www.ibm.com/support/docview.wss (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/162738 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2019-4420?: CVE-2019-4420 is a medium-severity vulnerability in IBM Intelligent Operations Center, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 6.2/10. Published 2019-08-20.
How severe is CVE-2019-4420?: Medium severity. CVSS v3 base score is 6.2 out of 10.