How severe is CVE-2020-4421?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Vulnerability in Ibm Websphere Application Server Liberty

CVE-2020-4421

IBM WebSphere Application Liberty 19.0.0.5 through 20.0.0.4 could allow an authenticated user using openidconnect to spoof another users identify. IBM X-Force ID: 180084.

EPSS: 0.002 (38.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.0/A:L/I:L/AV:N/AC:H/S:U/C:L/PR:L/UI:N/RL:O/E:U/RC:C.

Affected products

Ibm Websphere Application Server Liberty — versions 20.0.0.4, 19.0.0.5

References

www.ibm.com/support/pages/node/6205926 (x_refsource_CONFIRM)
ibm-websphere-cve20204421-spoofing (180084) (vdb-entry, x_refsource_XF)

Frequently asked questions

What is CVE-2020-4421?: CVE-2020-4421 is a medium-severity vulnerability in Ibm Websphere Application Server Liberty. CVSS score: 5.0/10. Published 2020-05-06.
How severe is CVE-2020-4421?: Medium severity. CVSS v3 base score is 5.0 out of 10.