Security Bulletin: IBM Cloud Pak for Applications v4.3 does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Security Bulletin

Summary

IBM Cloud Pak for Applications v4.3 does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Vulnerability Details

CVEID: CVE-2021-20423
DESCRIPTION: IBM Cloud Pak for Applications could allow an authenticated user gain escalated privilesges due to improper application permissions.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196308 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Cloud Pak for Applications	All

Remediation/Fixes

IBM Cloud Pak for Applications v 4.3.1 provides a solution that ensures actors have the proper permissions to for the scope of their role. No separate APAR is provided.

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

Change History

12 Jul 2021: 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

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSCSJL","label":"IBM Cloud Pak for Applications"},"Component":"","Platform":[{"code":"PF033","label":"Windows"},{"code":"PF010","label":"HP-UX"},{"code":"PF035","label":"z\/OS"},{"code":"PF016","label":"Linux"},{"code":"PF002","label":"AIX"},{"code":"PF012","label":"IBM i"},{"code":"PF017","label":"Mac OS"}],"Version":"all","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]

Tips

Security Bulletin: IBM Cloud Pak for Applications v4.3 does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.