What is CVE-2018-1621?

CVE-2018-1621 is a medium-severity vulnerability in IBM Websphere Application Server, classified under Cleartext Storage of Sensitive Information. CVSS score: 4.4/10. Published 2018-07-06.

How severe is CVE-2018-1621?

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

Vulnerability in IBM Websphere Application Server

CVE-2018-1621

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a local attacker to obtain clear text password in a trace file caused by improper handling of some datasource custom properties. IBM X-Force ID: 144346.

Published 2018-07-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (16.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.6% 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 Websphere Application Server — versions 7.0, 8.0, 9.0
IBM Websphere Application Server — versions 7.0.0.0, 8.0.0.0, 8.5.0.0

Weakness classification (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

www.ibm.com/support/docview.wss (Patch, Vendor Advisory)
www.securitytracker.com/id/1041226 (VDB Entry, Third Party Advisory, vdb-entry)
exchange.xforce.ibmcloud.com/vulnerabilities/144346 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2018-1621?: CVE-2018-1621 is a medium-severity vulnerability in IBM Websphere Application Server, classified under Cleartext Storage of Sensitive Information. CVSS score: 4.4/10. Published 2018-07-06.
How severe is CVE-2018-1621?: Medium severity. CVSS v3 base score is 4.4 out of 10.