Security Bulletin
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
| Affected Product(s) | Version(s) |
| InfoSphere Streams | 4.1.1.x |
| InfoSphere Streams | 4.2.1.x |
| InfoSphere Streams | 4.3.1.x |
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
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References
Change History
22 Jul 2020: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
22 July 2020
Initial Publish date:
22 July 2020
UID
ibm16252035