What is CVE-2018-1838?

CVE-2018-1838 is a medium-severity vulnerability in IBM Websphere Application Server, classified under Information Disclosure. CVSS score: 5.3/10. Published 2018-10-12.

How severe is CVE-2018-1838?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in IBM Websphere Application Server

CVE-2018-1838

IBM WebSphere Application Server 8.5 and 9.0 in IBM Cloud could allow a remote attacker to obtain sensitive information caused by improper handling of passwords. IBM X-Force ID: 150811.

Vulnerability class: Information Disclosure

Published 2018-10-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.016 (74.7th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

IBM Websphere Application Server — versions 9.0, 8.5
IBM Websphere Application Server — versions 8.5.0.0, 9.0.0.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.ibm.com/support/docview.wss (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/150811 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2018-1838?: CVE-2018-1838 is a medium-severity vulnerability in IBM Websphere Application Server, classified under Information Disclosure. CVSS score: 5.3/10. Published 2018-10-12.
How severe is CVE-2018-1838?: Medium severity. CVSS v3 base score is 5.3 out of 10.