Security Bulletin: Websphere Application Server Liberty vulnerabilities used by IBM Streams

Summary

Websphere Application Server Liberty vulnerability CVE-2020-4421 affecting IBM Streams.

Vulnerability Details

CVEID:CVE-2020-4421
**DESCRIPTION:**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.
CVSS Base score: 5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/180084 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Remediation/Fixes

Version 4.x.x: Apply 4.3.1 Fix Pack 3 or higher

Versions 3.2.x, 3.1.x, and 3.0.x: For versions earlier than 4.3.x, IBM recommends upgrading to a fixed, supported version/release/platform of the product. Customers who cannot upgrade and need to secure their installation should open a PMR with IBM Technical Support and request assistance securing their InfoSphere Streams system against the vulnerabilities identified in this Security Bulleti

Workarounds and Mitigations

None