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Security Bulletin: A vulnerability has been found in IBM Cloud Pak for Applications v4.3 that exposes a cross-site scripting attack due to a dynamically constructed href attribute

Security Bulletin


Summary

A vulnerability has been found in IBM Cloud Pak for Applications v4.3 that exposes a cross-site scripting attack due to a dynamically constructed href attribute

Vulnerability Details

CVEID:   CVE-2021-20361
DESCRIPTION:   IBM Cloud Pak for Applications is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
CVSS Base score: 5.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/195032 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Cloud Pak for ApplicationsAll

Remediation/Fixes

IBM Cloud Pak for Applications 4.3.1 is updated to not allow users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.   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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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

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":"PF016","label":"Linux"},{"code":"PF002","label":"AIX"},{"code":"PF035","label":"z\/OS"},{"code":"PF012","label":"IBM i"},{"code":"PF017","label":"Mac OS"}],"Version":"all","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
30 July 2021

UID

ibm16471269

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