Security Bulletin: IBM Cloud Private is vulnerable to an IBM WebSphere Application Server Liberty vulnerability (CVE-2020-4421)

Summary

IBM Cloud Private is vulnerable to an IBM WebSphere Application Server Liberty vulnerability

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

Product defect fixes and security updates are only available for the two most recent Continuous Delivery (CD) update packages

• IBM Cloud Private 3.2.1
• IBM Cloud Private 3.2.2

For IBM Cloud Private 3.2.1, apply June fix pack:

• IBM Cloud Private 3.2.1.2006

For IBM Cloud Private 3.2.2, apply June fix pack:

• IBM Cloud Private 3.2.2.2006

For IBM Cloud Private 3.1.0, 3.1.1, 3.1.2, 3.2.0:

• Upgrade to the latest Continuous Delivery (CD) update package, IBM Cloud Private 3.2.2.
• If required, individual product fixes can be made available between CD update packages for resolution of problems. Contact IBM support for assistance

Workarounds and Mitigations

None