What is CVE-2019-4477?

CVE-2019-4477 is a medium-severity vulnerability in IBM Websphere Application Server, classified under Improper Privilege Management. CVSS score: 6.5/10. Published 2019-09-17.

How severe is CVE-2019-4477?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Privilege escalation in IBM Websphere Application Server

CVE-2019-4477

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a user with access to audit logs to obtain sensitive information, caused by improper handling of command line options. IBM X-Force ID: 163997.

Vulnerability class: Privilege Escalation

Published 2019-09-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.013 (68.6th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

IBM Websphere Application Server — versions 7.0, 8.0, 8.5
IBM Websphere Application Server

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

www.ibm.com/support/pages/node/960290 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/163997 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2019-4477?: CVE-2019-4477 is a medium-severity vulnerability in IBM Websphere Application Server, classified under Improper Privilege Management. CVSS score: 6.5/10. Published 2019-09-17.
How severe is CVE-2019-4477?: Medium severity. CVSS v3 base score is 6.5 out of 10.