What is CVE-2019-4444?

CVE-2019-4444 is a medium-severity vulnerability in IBM API Connect, classified under Information Disclosure. CVSS score: 5.5/10. Published 2019-12-16.

How severe is CVE-2019-4444?

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

Information disclosure in IBM API Connect

CVE-2019-4444

IBM API Connect 2018.1 through 2018.4.1.7 Developer Portal's user registration page does not disable password autocomplete. An attacker with access to the browser instance and local system credentials can steal the credentials used for registration. IBM X-Force ID: 163453.

Vulnerability class: Information Disclosure

Published 2019-12-16 · 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 (20.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.9% 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 API Connect — versions 2018.4.1.0, 2018.4.1.7
IBM API Connect

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.ibm.com/support/pages/node/1126833 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/163453 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2019-4444?: CVE-2019-4444 is a medium-severity vulnerability in IBM API Connect, classified under Information Disclosure. CVSS score: 5.5/10. Published 2019-12-16.
How severe is CVE-2019-4444?: Medium severity. CVSS v3 base score is 5.5 out of 10.