Security Bulletin: A vulnerability has been found in IBM Cloud Pak for Applications v4.3 where an error message may disclose implementation details

Security Bulletin

Summary

A vulnerability has been found in IBM Cloud Pak for Applications v4.3 where an error message may disclose implementation details

Vulnerability Details

CVEID: CVE-2021-20424
DESCRIPTION: IBM Cloud Pak for Applications could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196309 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

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

Remediation/Fixes

IBM Cloud Pak for Applications v4.3.1 is updated to ensure error messages do not disclose implementation details, thereby opening up a possible security vulnerability. 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":"PF035","label":"z\/OS"},{"code":"PF012","label":"IBM i"},{"code":"PF017","label":"Mac OS"},{"code":"PF010","label":"HP-UX"},{"code":"PF016","label":"Linux"},{"code":"PF002","label":"AIX"}],"Version":"all","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]

Tips

Security Bulletin: A vulnerability has been found in IBM Cloud Pak for Applications v4.3 where an error message may disclose implementation details