How severe is CVE-2019-4670?

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

Vulnerability in IBM Websphere Application Server

CVE-2019-4670

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to obtain sensitive information caused by improper data representation. IBM X-Force ID: 171319.

Published 2020-02-05 · 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: 0.018 (78.2th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

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

References

www.ibm.com/support/pages/node/1289152 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/171319 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2019-4670?: CVE-2019-4670 is a medium-severity vulnerability in IBM Websphere Application Server. CVSS score: 6.5/10. Published 2020-02-05.
How severe is CVE-2019-4670?: Medium severity. CVSS v3 base score is 6.5 out of 10.